t=int(input())
for _ in range(t):
    a,b=map(int,input().split())
    ra=int(a**(1/2))
    rb=int(b**(1/2))
    AA=[]
    for i in range(1,ra+1):
        AA.append(a//i)
    A=list(range(1,AA[-1]))
    A+=list(reversed(AA))+[b]+[-1]
    
    BB=[]
    for i in range(1,rb+1):
        BB.append(b//i)
    B=list(range(1,BB[-1]))
    B+=list(reversed(BB))+[-1]
    #print(*A)
    #print(*B)
    ap=0
    bp=0
    pre=0
    ans=0
    while True:
        if ap==len(A)-1 and bp==len(B)-1:
            break
        nex=min(A[ap],B[bp])
        ax=a%A[ap]
        bx=b%B[bp]
        ay=a//A[ap]
        by=b//B[bp]
        ax+=(A[ap]-nex)*ay
        bx+=(B[bp]-nex)*by
        
        div=nex-pre
        if ax>=bx and ay>=by:
            ans+=div
        elif ax<bx and ay<by:
            ans+=0
        elif ax>=bx and ay<by:
            ans+=min(div,(ax-bx)//(by-ay)+1)
            
        pre=nex
        if A[ap]==nex:
            ap+=1
        if B[bp]==nex:
            bp+=1
    print(ans)