4490990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{64157}}^1$

素因数の和:64171

約数の個数: 16

約数和(自身を含む): 9238752

約数和(自身を除く): 4747762

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 64157, 128314, 320785, 449099, 641570, 898198, 2245495, 4490990]

約数ペア:

[(1, 4490990), (2, 2245495), (5, 898198), (7, 641570), (10, 449099), (14, 320785), (35, 128314), (70, 64157)]