207980180

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{97187}}^1$

素因数の和:97303

約数の個数: 24

約数和(自身を含む): 440844768

約数和(自身を除く): 232864588

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 97187, 194374, 388748, 485935, 971870, 1943740, 10399009, 20798018, 41596036, 51995045, 103990090, 207980180]

約数ペア:

[(1, 207980180), (2, 103990090), (4, 51995045), (5, 41596036), (10, 20798018), (20, 10399009), (107, 1943740), (214, 971870), (428, 485935), (535, 388748), (1070, 194374), (2140, 97187)]