201909580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1\times {\mathrm{739}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 447552000

約数和(自身を除く): 245642420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 719, 739, 1438, 1478, 2876, 2956, 3595, 3695, 7190, 7390, 13661, 14041, 14380, 14780, 27322, 28082, 54644, 56164, 68305, 70205, 136610, 140410, 273220, 280820, 531341, 1062682, 2125364, 2656705, 5313410, 10095479, 10626820, 20190958, 40381916, 50477395, 100954790, 201909580]

約数ペア:

[(1, 201909580), (2, 100954790), (4, 50477395), (5, 40381916), (10, 20190958), (19, 10626820), (20, 10095479), (38, 5313410), (76, 2656705), (95, 2125364), (190, 1062682), (380, 531341), (719, 280820), (739, 273220), (1438, 140410), (1478, 136610), (2876, 70205), (2956, 68305), (3595, 56164), (3695, 54644), (7190, 28082), (7390, 27322), (13661, 14780), (14041, 14380)]