388625180

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{188653}}^1$

素因数の和:188765

約数の個数: 24

約数和(自身を含む): 824040672

約数和(自身を除く): 435415492

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 188653, 377306, 754612, 943265, 1886530, 3773060, 19431259, 38862518, 77725036, 97156295, 194312590, 388625180]

約数ペア:

[(1, 388625180), (2, 194312590), (4, 97156295), (5, 77725036), (10, 38862518), (20, 19431259), (103, 3773060), (206, 1886530), (412, 943265), (515, 754612), (1030, 377306), (2060, 188653)]