420174940

素因数分解:

$2^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{45971}}^1$

素因数の和:46437

約数の個数: 24

約数和(自身を含む): 884317392

約数和(自身を除く): 464142452

約数列:

[1, 2, 4, 5, 10, 20, 457, 914, 1828, 2285, 4570, 9140, 45971, 91942, 183884, 229855, 459710, 919420, 21008747, 42017494, 84034988, 105043735, 210087470, 420174940]

約数ペア:

[(1, 420174940), (2, 210087470), (4, 105043735), (5, 84034988), (10, 42017494), (20, 21008747), (457, 919420), (914, 459710), (1828, 229855), (2285, 183884), (4570, 91942), (9140, 45971)]