200929780

素因数分解:

$2^2\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{4649}}^1$

素因数の和:6819

約数の個数: 24

約数和(自身を含む): 422238600

約数和(自身を除く): 221308820

約数列:

[1, 2, 4, 5, 10, 20, 2161, 4322, 4649, 8644, 9298, 10805, 18596, 21610, 23245, 43220, 46490, 92980, 10046489, 20092978, 40185956, 50232445, 100464890, 200929780]

約数ペア:

[(1, 200929780), (2, 100464890), (4, 50232445), (5, 40185956), (10, 20092978), (20, 10046489), (2161, 92980), (4322, 46490), (4649, 43220), (8644, 23245), (9298, 21610), (10805, 18596)]