189898180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{94009}}^1$

素因数の和:94119

約数の個数: 24

約数和(自身を含む): 402738840

約数和(自身を除く): 212840660

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 94009, 188018, 376036, 470045, 940090, 1880180, 9494909, 18989818, 37979636, 47474545, 94949090, 189898180]

約数ペア:

[(1, 189898180), (2, 94949090), (4, 47474545), (5, 37979636), (10, 18989818), (20, 9494909), (101, 1880180), (202, 940090), (404, 470045), (505, 376036), (1010, 188018), (2020, 94009)]