119540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 258720

約数和(自身を除く): 139180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 139, 172, 215, 278, 430, 556, 695, 860, 1390, 2780, 5977, 11954, 23908, 29885, 59770, 119540]

約数ペア:

[(1, 119540), (2, 59770), (4, 29885), (5, 23908), (10, 11954), (20, 5977), (43, 2780), (86, 1390), (139, 860), (172, 695), (215, 556), (278, 430)]