1985089180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{457}}^1\times {\mathrm{4621}}^1$

素因数の和:5134

約数の個数: 48

約数和(自身を含む): 4267622016

約数和(自身を除く): 2282532836

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 457, 470, 914, 940, 1828, 2285, 4570, 4621, 9140, 9242, 18484, 21479, 23105, 42958, 46210, 85916, 92420, 107395, 214790, 217187, 429580, 434374, 868748, 1085935, 2111797, 2171870, 4223594, 4343740, 8447188, 10558985, 21117970, 42235940, 99254459, 198508918, 397017836, 496272295, 992544590, 1985089180]

約数ペア:

[(1, 1985089180), (2, 992544590), (4, 496272295), (5, 397017836), (10, 198508918), (20, 99254459), (47, 42235940), (94, 21117970), (188, 10558985), (235, 8447188), (457, 4343740), (470, 4223594), (914, 2171870), (940, 2111797), (1828, 1085935), (2285, 868748), (4570, 434374), (4621, 429580), (9140, 217187), (9242, 214790), (18484, 107395), (21479, 92420), (23105, 85916), (42958, 46210)]