38918900

素因数分解:

$2^2\times 5^2\times {\mathrm{389189}}^1$

素因数の和:389203

約数の個数: 18

約数和(自身を含む): 84454230

約数和(自身を除く): 45535330

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389189, 778378, 1556756, 1945945, 3891890, 7783780, 9729725, 19459450, 38918900]

約数ペア:

[(1, 38918900), (2, 19459450), (4, 9729725), (5, 7783780), (10, 3891890), (20, 1945945), (25, 1556756), (50, 778378), (100, 389189)]