1120660

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 2376360

約数和(自身を除く): 1255700

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 409, 548, 685, 818, 1370, 1636, 2045, 2740, 4090, 8180, 56033, 112066, 224132, 280165, 560330, 1120660]

約数ペア:

[(1, 1120660), (2, 560330), (4, 280165), (5, 224132), (10, 112066), (20, 56033), (137, 8180), (274, 4090), (409, 2740), (548, 2045), (685, 1636), (818, 1370)]