2019938600

素因数分解:

$2^3\times 5^2\times {\mathrm{1609}}^1\times {\mathrm{6277}}^1$

素因数の和:7902

約数の個数: 48

約数和(自身を含む): 4700024700

約数和(自身を除く): 2680086100

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 1609, 3218, 6277, 6436, 8045, 12554, 12872, 16090, 25108, 31385, 32180, 40225, 50216, 62770, 64360, 80450, 125540, 156925, 160900, 251080, 313850, 321800, 627700, 1255400, 10099693, 20199386, 40398772, 50498465, 80797544, 100996930, 201993860, 252492325, 403987720, 504984650, 1009969300, 2019938600]

約数ペア:

[(1, 2019938600), (2, 1009969300), (4, 504984650), (5, 403987720), (8, 252492325), (10, 201993860), (20, 100996930), (25, 80797544), (40, 50498465), (50, 40398772), (100, 20199386), (200, 10099693), (1609, 1255400), (3218, 627700), (6277, 321800), (6436, 313850), (8045, 251080), (12554, 160900), (12872, 156925), (16090, 125540), (25108, 80450), (31385, 64360), (32180, 62770), (40225, 50216)]