3982390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 24

約数和(自身を含む): 7362720

約数和(自身を除く): 3380330

約数列:

[1, 2, 5, 10, 71, 79, 142, 158, 355, 395, 710, 790, 5041, 5609, 10082, 11218, 25205, 28045, 50410, 56090, 398239, 796478, 1991195, 3982390]

約数ペア:

[(1, 3982390), (2, 1991195), (5, 796478), (10, 398239), (71, 56090), (79, 50410), (142, 28045), (158, 25205), (355, 11218), (395, 10082), (710, 5609), (790, 5041)]