421594870

素因数分解:

$2^1\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{20201}}^1$

素因数の和:22295

約数の個数: 16

約数和(自身を含む): 759271968

約数和(自身を除く): 337677098

約数列:

[1, 2, 5, 10, 2087, 4174, 10435, 20201, 20870, 40402, 101005, 202010, 42159487, 84318974, 210797435, 421594870]

約数ペア:

[(1, 421594870), (2, 210797435), (5, 84318974), (10, 42159487), (2087, 202010), (4174, 101005), (10435, 40402), (20201, 20870)]