74452780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86573}}^1$

素因数の和:86625

約数の個数: 24

約数和(自身を含む): 159988752

約数和(自身を除く): 85535972

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 86573, 173146, 346292, 432865, 865730, 1731460, 3722639, 7445278, 14890556, 18613195, 37226390, 74452780]

約数ペア:

[(1, 74452780), (2, 37226390), (4, 18613195), (5, 14890556), (10, 7445278), (20, 3722639), (43, 1731460), (86, 865730), (172, 432865), (215, 346292), (430, 173146), (860, 86573)]