22538740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 31893260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 398, 796, 809, 995, 1393, 1618, 1990, 2786, 3236, 3980, 4045, 5572, 5663, 6965, 8090, 11326, 13930, 16180, 22652, 27860, 28315, 56630, 113260, 160991, 321982, 643964, 804955, 1126937, 1609910, 2253874, 3219820, 4507748, 5634685, 11269370, 22538740]

約数ペア:

[(1, 22538740), (2, 11269370), (4, 5634685), (5, 4507748), (7, 3219820), (10, 2253874), (14, 1609910), (20, 1126937), (28, 804955), (35, 643964), (70, 321982), (140, 160991), (199, 113260), (398, 56630), (796, 28315), (809, 27860), (995, 22652), (1393, 16180), (1618, 13930), (1990, 11326), (2786, 8090), (3236, 6965), (3980, 5663), (4045, 5572)]