280564540

素因数分解:

$2^2\times 5^1\times {\mathrm{2237}}^1\times {\mathrm{6271}}^1$

素因数の和:8517

約数の個数: 24

約数和(自身を含む): 589542912

約数和(自身を除く): 308978372

約数列:

[1, 2, 4, 5, 10, 20, 2237, 4474, 6271, 8948, 11185, 12542, 22370, 25084, 31355, 44740, 62710, 125420, 14028227, 28056454, 56112908, 70141135, 140282270, 280564540]

約数ペア:

[(1, 280564540), (2, 140282270), (4, 70141135), (5, 56112908), (10, 28056454), (20, 14028227), (2237, 125420), (4474, 62710), (6271, 44740), (8948, 31355), (11185, 25084), (12542, 22370)]