290055890

素因数分解:

$2^1\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{28409}}^1$

素因数の和:29437

約数の個数: 16

約数和(自身を含む): 522630360

約数和(自身を除く): 232574470

約数列:

[1, 2, 5, 10, 1021, 2042, 5105, 10210, 28409, 56818, 142045, 284090, 29005589, 58011178, 145027945, 290055890]

約数ペア:

[(1, 290055890), (2, 145027945), (5, 58011178), (10, 29005589), (1021, 284090), (2042, 142045), (5105, 56818), (10210, 28409)]