31182740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 67858560

約数和(自身を除く): 36675820

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 101, 172, 202, 215, 359, 404, 430, 505, 718, 860, 1010, 1436, 1795, 2020, 3590, 4343, 7180, 8686, 15437, 17372, 21715, 30874, 36259, 43430, 61748, 72518, 77185, 86860, 145036, 154370, 181295, 308740, 362590, 725180, 1559137, 3118274, 6236548, 7795685, 15591370, 31182740]

約数ペア:

[(1, 31182740), (2, 15591370), (4, 7795685), (5, 6236548), (10, 3118274), (20, 1559137), (43, 725180), (86, 362590), (101, 308740), (172, 181295), (202, 154370), (215, 145036), (359, 86860), (404, 77185), (430, 72518), (505, 61748), (718, 43430), (860, 36259), (1010, 30874), (1436, 21715), (1795, 17372), (2020, 15437), (3590, 8686), (4343, 7180)]