381286660

素因数分解:

$2^2\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{14929}}^1$

素因数の和:16215

約数の個数: 24

約数和(自身を含む): 801382680

約数和(自身を除く): 420096020

約数列:

[1, 2, 4, 5, 10, 20, 1277, 2554, 5108, 6385, 12770, 14929, 25540, 29858, 59716, 74645, 149290, 298580, 19064333, 38128666, 76257332, 95321665, 190643330, 381286660]

約数ペア:

[(1, 381286660), (2, 190643330), (4, 95321665), (5, 76257332), (10, 38128666), (20, 19064333), (1277, 298580), (2554, 149290), (5108, 74645), (6385, 59716), (12770, 29858), (14929, 25540)]