256431290

素因数分解:

$2^1\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{22279}}^1$

素因数の和:23437

約数の個数: 16

約数和(自身を含む): 461998080

約数和(自身を除く): 205566790

約数列:

[1, 2, 5, 10, 1151, 2302, 5755, 11510, 22279, 44558, 111395, 222790, 25643129, 51286258, 128215645, 256431290]

約数ペア:

[(1, 256431290), (2, 128215645), (5, 51286258), (10, 25643129), (1151, 222790), (2302, 111395), (5755, 44558), (11510, 22279)]