139424780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{3217}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 321130656

約数和(自身を除く): 181705876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 197, 220, 394, 788, 985, 1970, 2167, 3217, 3940, 4334, 6434, 8668, 10835, 12868, 16085, 21670, 32170, 35387, 43340, 64340, 70774, 141548, 176935, 353870, 633749, 707740, 1267498, 2534996, 3168745, 6337490, 6971239, 12674980, 13942478, 27884956, 34856195, 69712390, 139424780]

約数ペア:

[(1, 139424780), (2, 69712390), (4, 34856195), (5, 27884956), (10, 13942478), (11, 12674980), (20, 6971239), (22, 6337490), (44, 3168745), (55, 2534996), (110, 1267498), (197, 707740), (220, 633749), (394, 353870), (788, 176935), (985, 141548), (1970, 70774), (2167, 64340), (3217, 43340), (3940, 35387), (4334, 32170), (6434, 21670), (8668, 16085), (10835, 12868)]