#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
typedef long long ll;
const int MOD = 998244353;
const ll INF = 4611686018427387903LL;
int main()
{
  int S;
  cin >> S;
  while (S--)
  {
    int x,y;
    cin >> x >> y;
    ll ans=0;
    for(int k=2;k<=sqrt(x+y);k++){
      if((x+y)%k==0){
        ll a=k-1;
        if(a==1){
            if(a*y==x){ans+=(x+y)/(a+1)-1;}
        }
        else if(a>1&&(a*y-x)>0&&(a*y-x)%(a*a-1)==0){
          if(y-a*((a*y-x)/(a*a-1))>0){
            ans++;
          }
        }
        a=(x+y)/k-1;
        if(a<=1)continue;
        if((a*y-x)>0&&(a*y-x)%(a*a-1)==0){
          if(y-a*((a*y-x)/(a*a-1))>0){
            ans++;
          }
        }
      }
    }
    cout << ans << '\n';
  }
  
  return 0;
}