397993820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2842813}}^1$

素因数の和:2842829

約数の個数: 24

約数和(自身を含む): 955185504

約数和(自身を除く): 557191684

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2842813, 5685626, 11371252, 14214065, 19899691, 28428130, 39799382, 56856260, 79598764, 99498455, 198996910, 397993820]

約数ペア:

[(1, 397993820), (2, 198996910), (4, 99498455), (5, 79598764), (7, 56856260), (10, 39799382), (14, 28428130), (20, 19899691), (28, 14214065), (35, 11371252), (70, 5685626), (140, 2842813)]