30581180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{218437}}^1$

素因数の和:218453

約数の個数: 24

約数和(自身を含む): 73395168

約数和(自身を除く): 42813988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 218437, 436874, 873748, 1092185, 1529059, 2184370, 3058118, 4368740, 6116236, 7645295, 15290590, 30581180]

約数ペア:

[(1, 30581180), (2, 15290590), (4, 7645295), (5, 6116236), (7, 4368740), (10, 3058118), (14, 2184370), (20, 1529059), (28, 1092185), (35, 873748), (70, 436874), (140, 218437)]