438996910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{4861}}^1$

素因数の和:5700

約数の個数: 32

約数和(自身を含む): 863257824

約数和(自身を除く): 424260914

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 821, 1642, 4105, 4861, 8210, 9031, 9722, 18062, 24305, 45155, 48610, 53471, 90310, 106942, 267355, 534710, 3990881, 7981762, 19954405, 39908810, 43899691, 87799382, 219498455, 438996910]

約数ペア:

[(1, 438996910), (2, 219498455), (5, 87799382), (10, 43899691), (11, 39908810), (22, 19954405), (55, 7981762), (110, 3990881), (821, 534710), (1642, 267355), (4105, 106942), (4861, 90310), (8210, 53471), (9031, 48610), (9722, 45155), (18062, 24305)]