89178940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8461}}^1$

素因数の和:8518

約数の個数: 48

約数和(自身を含む): 204712704

約数和(自身を除く): 115533764

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 1054, 2108, 2635, 5270, 8461, 10540, 16922, 33844, 42305, 84610, 143837, 169220, 262291, 287674, 524582, 575348, 719185, 1049164, 1311455, 1438370, 2622910, 2876740, 4458947, 5245820, 8917894, 17835788, 22294735, 44589470, 89178940]

約数ペア:

[(1, 89178940), (2, 44589470), (4, 22294735), (5, 17835788), (10, 8917894), (17, 5245820), (20, 4458947), (31, 2876740), (34, 2622910), (62, 1438370), (68, 1311455), (85, 1049164), (124, 719185), (155, 575348), (170, 524582), (310, 287674), (340, 262291), (527, 169220), (620, 143837), (1054, 84610), (2108, 42305), (2635, 33844), (5270, 16922), (8461, 10540)]