200090090

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{198109}}^1$

素因数の和:198217

約数の個数: 16

約数和(自身を含む): 363729960

約数和(自身を除く): 163639870

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 198109, 396218, 990545, 1981090, 20009009, 40018018, 100045045, 200090090]

約数ペア:

[(1, 200090090), (2, 100045045), (5, 40018018), (10, 20009009), (101, 1981090), (202, 990545), (505, 396218), (1010, 198109)]