209898180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1166101}}^1$

素因数の和:1166116

約数の個数: 36

約数和(自身を含む): 636691692

約数和(自身を除く): 426793512

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1166101, 2332202, 3498303, 4664404, 5830505, 6996606, 10494909, 11661010, 13993212, 17491515, 20989818, 23322020, 34983030, 41979636, 52474545, 69966060, 104949090, 209898180]

約数ペア:

[(1, 209898180), (2, 104949090), (3, 69966060), (4, 52474545), (5, 41979636), (6, 34983030), (9, 23322020), (10, 20989818), (12, 17491515), (15, 13993212), (18, 11661010), (20, 10494909), (30, 6996606), (36, 5830505), (45, 4664404), (60, 3498303), (90, 2332202), (180, 1166101)]