7131991700

素因数分解:

$2^2\times 5^2\times {\mathrm{661}}^1\times {\mathrm{107897}}^1$

素因数の和:108572

約数の個数: 36

約数和(自身を含む): 15499979292

約数和(自身を除く): 8367987592

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 661, 1322, 2644, 3305, 6610, 13220, 16525, 33050, 66100, 107897, 215794, 431588, 539485, 1078970, 2157940, 2697425, 5394850, 10789700, 71319917, 142639834, 285279668, 356599585, 713199170, 1426398340, 1782997925, 3565995850, 7131991700]

約数ペア:

[(1, 7131991700), (2, 3565995850), (4, 1782997925), (5, 1426398340), (10, 713199170), (20, 356599585), (25, 285279668), (50, 142639834), (100, 71319917), (661, 10789700), (1322, 5394850), (2644, 2697425), (3305, 2157940), (6610, 1078970), (13220, 539485), (16525, 431588), (33050, 215794), (66100, 107897)]