1198180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 2540160

約数和(自身を除く): 1341980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 431, 556, 695, 862, 1390, 1724, 2155, 2780, 4310, 8620, 59909, 119818, 239636, 299545, 599090, 1198180]

約数ペア:

[(1, 1198180), (2, 599090), (4, 299545), (5, 239636), (10, 119818), (20, 59909), (139, 8620), (278, 4310), (431, 2780), (556, 2155), (695, 1724), (862, 1390)]