#include <bits/stdc++.h>

using namespace std;

#define ll long long
const int mod = 1e9 + 7;

// [0,n] sum n/i
ll cal(ll k, ll n) {
    ll ans = 0, pos;
    // i=1, min(n,k)
    for (ll i = 1; i <= min(n, k); i = pos + 1) {
        pos = n / (n / i);
        pos = min(pos, min(n , k));
        //doing something
        ans += (pos - (i - 1)) * (n / i);
        ans %= mod;
    }
    // i=min(n,k)+1 , k
    return ans;
}

ll cal2(ll k, ll n) {
    if(k == 1) {
        return 0;
    }
    ll ans = 0, pos;

    for (ll i = 2; i <= min(n - 1, k); i = pos + 1) {
        pos = (n - 1) / ((n - 1) / i);
        pos = min(pos, min(n - 1, k));
        //doing something
        ans += (pos - (i - 1)) * ((n - 1) / i);
        ans %= mod;
    }
    ans += k-1;
    return ans % mod;
}

int main() {
    ll n, k;
    scanf("%lld %lld", &n, &k);
   // cout << cal(k, n) << " " << cal2(k, n) << endl;
    ll ans = (cal(k, n) + cal2(k, n));
    printf("%lld", ans % mod);
}