290479150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{446891}}^1$

素因数の和:446916

約数の個数: 24

約数和(自身を含む): 581853384

約数和(自身を除く): 291374234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 446891, 893782, 2234455, 4468910, 5809583, 11172275, 11619166, 22344550, 29047915, 58095830, 145239575, 290479150]

約数ペア:

[(1, 290479150), (2, 145239575), (5, 58095830), (10, 29047915), (13, 22344550), (25, 11619166), (26, 11172275), (50, 5809583), (65, 4468910), (130, 2234455), (325, 893782), (650, 446891)]