74691860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86851}}^1$

素因数の和:86903

約数の個数: 24

約数和(自身を含む): 160502496

約数和(自身を除く): 85810636

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 86851, 173702, 347404, 434255, 868510, 1737020, 3734593, 7469186, 14938372, 18672965, 37345930, 74691860]

約数ペア:

[(1, 74691860), (2, 37345930), (4, 18672965), (5, 14938372), (10, 7469186), (20, 3734593), (43, 1737020), (86, 868510), (172, 434255), (215, 347404), (430, 173702), (860, 86851)]