4260740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 9906624

約数和(自身を除く): 5645884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 181, 214, 220, 362, 428, 535, 724, 905, 1070, 1177, 1810, 1991, 2140, 2354, 3620, 3982, 4708, 5885, 7964, 9955, 11770, 19367, 19910, 23540, 38734, 39820, 77468, 96835, 193670, 213037, 387340, 426074, 852148, 1065185, 2130370, 4260740]

約数ペア:

[(1, 4260740), (2, 2130370), (4, 1065185), (5, 852148), (10, 426074), (11, 387340), (20, 213037), (22, 193670), (44, 96835), (55, 77468), (107, 39820), (110, 38734), (181, 23540), (214, 19910), (220, 19367), (362, 11770), (428, 9955), (535, 7964), (724, 5885), (905, 4708), (1070, 3982), (1177, 3620), (1810, 2354), (1991, 2140)]