1720660

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:615

約数の個数: 24

約数和(自身を含む): 3638880

約数和(自身を除く): 1918220

約数列:

[1, 2, 4, 5, 10, 20, 227, 379, 454, 758, 908, 1135, 1516, 1895, 2270, 3790, 4540, 7580, 86033, 172066, 344132, 430165, 860330, 1720660]

約数ペア:

[(1, 1720660), (2, 860330), (4, 430165), (5, 344132), (10, 172066), (20, 86033), (227, 7580), (379, 4540), (454, 3790), (758, 2270), (908, 1895), (1135, 1516)]