2390020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1637}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 5090904

約数和(自身を除く): 2700884

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 1637, 3274, 6548, 8185, 16370, 32740, 119501, 239002, 478004, 597505, 1195010, 2390020]

約数ペア:

[(1, 2390020), (2, 1195010), (4, 597505), (5, 478004), (10, 239002), (20, 119501), (73, 32740), (146, 16370), (292, 8185), (365, 6548), (730, 3274), (1460, 1637)]