408539710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2150209}}^1$

素因数の和:2150235

約数の個数: 16

約数和(自身を含む): 774075600

約数和(自身を除く): 365535890

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2150209, 4300418, 10751045, 21502090, 40853971, 81707942, 204269855, 408539710]

約数ペア:

[(1, 408539710), (2, 204269855), (5, 81707942), (10, 40853971), (19, 21502090), (38, 10751045), (95, 4300418), (190, 2150209)]