30628460

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17207}}^1$

素因数の和:17305

約数の個数: 24

約数和(自身を含む): 65046240

約数和(自身を除く): 34417780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 17207, 34414, 68828, 86035, 172070, 344140, 1531423, 3062846, 6125692, 7657115, 15314230, 30628460]

約数ペア:

[(1, 30628460), (2, 15314230), (4, 7657115), (5, 6125692), (10, 3062846), (20, 1531423), (89, 344140), (178, 172070), (356, 86035), (445, 68828), (890, 34414), (1780, 17207)]