408040580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1073791}}^1$

素因数の和:1073819

約数の個数: 24

約数和(自身を含む): 901985280

約数和(自身を除く): 493944700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1073791, 2147582, 4295164, 5368955, 10737910, 20402029, 21475820, 40804058, 81608116, 102010145, 204020290, 408040580]

約数ペア:

[(1, 408040580), (2, 204020290), (4, 102010145), (5, 81608116), (10, 40804058), (19, 21475820), (20, 20402029), (38, 10737910), (76, 5368955), (95, 4295164), (190, 2147582), (380, 1073791)]