214625980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{261739}}^1$

素因数の和:261789

約数の個数: 24

約数和(自身を含む): 461709360

約数和(自身を除く): 247083380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 261739, 523478, 1046956, 1308695, 2617390, 5234780, 10731299, 21462598, 42925196, 53656495, 107312990, 214625980]

約数ペア:

[(1, 214625980), (2, 107312990), (4, 53656495), (5, 42925196), (10, 21462598), (20, 10731299), (41, 5234780), (82, 2617390), (164, 1308695), (205, 1046956), (410, 523478), (820, 261739)]