28312660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74507}}^1$

素因数の和:74535

約数の個数: 24

約数和(自身を含む): 62586720

約数和(自身を除く): 34274060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74507, 149014, 298028, 372535, 745070, 1415633, 1490140, 2831266, 5662532, 7078165, 14156330, 28312660]

約数ペア:

[(1, 28312660), (2, 14156330), (4, 7078165), (5, 5662532), (10, 2831266), (19, 1490140), (20, 1415633), (38, 745070), (76, 372535), (95, 298028), (190, 149014), (380, 74507)]