7791740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 18071424

約数和(自身を除く): 10279684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 331, 428, 535, 662, 1070, 1177, 1324, 1655, 2140, 2354, 3310, 3641, 4708, 5885, 6620, 7282, 11770, 14564, 18205, 23540, 35417, 36410, 70834, 72820, 141668, 177085, 354170, 389587, 708340, 779174, 1558348, 1947935, 3895870, 7791740]

約数ペア:

[(1, 7791740), (2, 3895870), (4, 1947935), (5, 1558348), (10, 779174), (11, 708340), (20, 389587), (22, 354170), (44, 177085), (55, 141668), (107, 72820), (110, 70834), (214, 36410), (220, 35417), (331, 23540), (428, 18205), (535, 14564), (662, 11770), (1070, 7282), (1177, 6620), (1324, 5885), (1655, 4708), (2140, 3641), (2354, 3310)]