396460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 853776

約数和(自身を除く): 457316

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 461, 860, 922, 1844, 2305, 4610, 9220, 19823, 39646, 79292, 99115, 198230, 396460]

約数ペア:

[(1, 396460), (2, 198230), (4, 99115), (5, 79292), (10, 39646), (20, 19823), (43, 9220), (86, 4610), (172, 2305), (215, 1844), (430, 922), (461, 860)]