2990913340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2106277}}^1$

素因数の和:2106357

約数の個数: 24

約数和(自身を含む): 6369384672

約数和(自身を除く): 3378471332

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2106277, 4212554, 8425108, 10531385, 21062770, 42125540, 149545667, 299091334, 598182668, 747728335, 1495456670, 2990913340]

約数ペア:

[(1, 2990913340), (2, 1495456670), (4, 747728335), (5, 598182668), (10, 299091334), (20, 149545667), (71, 42125540), (142, 21062770), (284, 10531385), (355, 8425108), (710, 4212554), (1420, 2106277)]