1390857310

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{447221}}^1$

素因数の和:447539

約数の個数: 16

約数和(自身を含む): 2511598752

約数和(自身を除く): 1120741442

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 447221, 894442, 2236105, 4472210, 139085731, 278171462, 695428655, 1390857310]

約数ペア:

[(1, 1390857310), (2, 695428655), (5, 278171462), (10, 139085731), (311, 4472210), (622, 2236105), (1555, 894442), (3110, 447221)]