208005380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945479}}^1$

素因数の和:945499

約数の個数: 24

約数和(自身を含む): 476521920

約数和(自身を除く): 268516540

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945479, 1890958, 3781916, 4727395, 9454790, 10400269, 18909580, 20800538, 41601076, 52001345, 104002690, 208005380]

約数ペア:

[(1, 208005380), (2, 104002690), (4, 52001345), (5, 41601076), (10, 20800538), (11, 18909580), (20, 10400269), (22, 9454790), (44, 4727395), (55, 3781916), (110, 1890958), (220, 945479)]