420881690

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{408623}}^1$

素因数の和:408733

約数の個数: 16

約数和(自身を含む): 764944128

約数和(自身を除く): 344062438

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 408623, 817246, 2043115, 4086230, 42088169, 84176338, 210440845, 420881690]

約数ペア:

[(1, 420881690), (2, 210440845), (5, 84176338), (10, 42088169), (103, 4086230), (206, 2043115), (515, 817246), (1030, 408623)]