#include<bits/stdc++.h>
using namespace std;
#define ALL(x) x.begin(),x.end()
#define rep(i,n) for(int i=0;i<(n);i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl;
#define mod 1000000007
using ll=long long;
const int INF=1000000000;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0},dy[]={0,1,0,-1};
// ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

struct IOSetup{
    IOSetup(){
        cin.tie(0);
        ios::sync_with_stdio(0);
        cout<<fixed<<setprecision(12);
    }
} iosetup;
 
template<typename T1,typename T2>
ostream &operator<<(ostream &os,const pair<T1,T2>&p){
    os<<p.first<<" "<<p.second;
    return os;
}
 
template<typename T>
ostream &operator<<(ostream &os,const vector<T>&v){
    for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" ");
    return os;
}

template<typename T1,typename T2>
istream &operator>>(istream &is,pair<T1,T2>&p){
    is>>p.first>>p.second;
    return is;
}

template<typename T>
istream &operator>>(istream &is,vector<T>&v){
    for(T &x:v)is>>x;
    return is;
}

void solve(){
    ll x,y;cin>>x>>y;
    if(x<y)swap(x,y);
    ll d=x-y;

    ll res=0;
    for(ll i=1;i*i<=d;i++)if(d%i==0){
        {
            ll a=i+1;
            ll f=d/(a-1);
            if((x+f)%(a+1)==0){
                ll b=(x+f)/(a+1);
                ll c=b-f;
                if(b>=0 and c>=0)res++;
            }
        }
        {
            ll f=i;
            ll a=d/f+1;
            if((x+f)%(a+1)==0){
                ll b=(x+f)/(a+1);
                ll c=b-f;
                if(b>=0 and c>=0)res++;
            }
        }
    }
    cout<<res<<endl;
}

signed main(){
    int q;cin>>q;
    while(q--) solve();
    return 0;
}