400940710

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{396971}}^1$

素因数の和:397079

約数の個数: 16

約数和(自身を含む): 728840592

約数和(自身を除く): 327899882

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 396971, 793942, 1984855, 3969710, 40094071, 80188142, 200470355, 400940710]

約数ペア:

[(1, 400940710), (2, 200470355), (5, 80188142), (10, 40094071), (101, 3969710), (202, 1984855), (505, 793942), (1010, 396971)]