1685140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{773}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 3575880

約数和(自身を除く): 1890740

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 773, 1090, 1546, 2180, 3092, 3865, 7730, 15460, 84257, 168514, 337028, 421285, 842570, 1685140]

約数ペア:

[(1, 1685140), (2, 842570), (4, 421285), (5, 337028), (10, 168514), (20, 84257), (109, 15460), (218, 7730), (436, 3865), (545, 3092), (773, 2180), (1090, 1546)]