import pypyjit
pypyjit.set_param("max_unroll_recursion=-1")
import sys
sys.setrecursionlimit(10**7)

from functools import cache
MOD = 998244353
N,X = list(map(int,input().split()))
A = list(map(int,input().split()))

@cache
def f(n,x):
    if(n == N):return 1
    ret = f(n+1, A[n])
    if(x % A[n] == 0):
        ret += f(n+1, x//A[n])
        if(ret > MOD):ret -= MOD
    return ret

print(f(0,X))