30686180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{219187}}^1$

素因数の和:219203

約数の個数: 24

約数和(自身を含む): 73647168

約数和(自身を除く): 42960988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 219187, 438374, 876748, 1095935, 1534309, 2191870, 3068618, 4383740, 6137236, 7671545, 15343090, 30686180]

約数ペア:

[(1, 30686180), (2, 15343090), (4, 7671545), (5, 6137236), (7, 4383740), (10, 3068618), (14, 2191870), (20, 1534309), (28, 1095935), (35, 876748), (70, 438374), (140, 219187)]