400427530

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{231461}}^1$

素因数の和:231641

約数の個数: 16

約数和(自身を含む): 724938984

約数和(自身を除く): 324511454

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 231461, 462922, 1157305, 2314610, 40042753, 80085506, 200213765, 400427530]

約数ペア:

[(1, 400427530), (2, 200213765), (5, 80085506), (10, 40042753), (173, 2314610), (346, 1157305), (865, 462922), (1730, 231461)]