209322910

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{294821}}^1$

素因数の和:294899

約数の個数: 16

約数和(自身を含む): 382089312

約数和(自身を除く): 172766402

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 294821, 589642, 1474105, 2948210, 20932291, 41864582, 104661455, 209322910]

約数ペア:

[(1, 209322910), (2, 104661455), (5, 41864582), (10, 20932291), (71, 2948210), (142, 1474105), (355, 589642), (710, 294821)]