720565210

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{12473}}^1$

素因数の和:12642

約数の個数: 32

約数和(自身を含む): 1333720080

約数和(自身を除く): 613154870

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 530, 545, 1090, 5777, 11554, 12473, 24946, 28885, 57770, 62365, 124730, 661069, 1322138, 1359557, 2719114, 3305345, 6610690, 6797785, 13595570, 72056521, 144113042, 360282605, 720565210]

約数ペア:

[(1, 720565210), (2, 360282605), (5, 144113042), (10, 72056521), (53, 13595570), (106, 6797785), (109, 6610690), (218, 3305345), (265, 2719114), (530, 1359557), (545, 1322138), (1090, 661069), (5777, 124730), (11554, 62365), (12473, 57770), (24946, 28885)]