209315570

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^2\times {\mathrm{1973}}^1$

素因数の和:2186

約数の個数: 24

約数和(自身を含む): 380654316

約数和(自身を除く): 171338746

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 1973, 3946, 9865, 10609, 19730, 21218, 53045, 106090, 203219, 406438, 1016095, 2032190, 20931557, 41863114, 104657785, 209315570]

約数ペア:

[(1, 209315570), (2, 104657785), (5, 41863114), (10, 20931557), (103, 2032190), (206, 1016095), (515, 406438), (1030, 203219), (1973, 106090), (3946, 53045), (9865, 21218), (10609, 19730)]