198377820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{10111}}^1$

素因数の和:10235

約数の個数: 72

約数和(自身を含む): 607326720

約数和(自身を除く): 408948900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 10111, 19620, 20222, 30333, 40444, 50555, 60666, 90999, 101110, 121332, 151665, 181998, 202220, 303330, 363996, 454995, 606660, 909990, 1102099, 1819980, 2204198, 3306297, 4408396, 5510495, 6612594, 9918891, 11020990, 13225188, 16531485, 19837782, 22041980, 33062970, 39675564, 49594455, 66125940, 99188910, 198377820]

約数ペア:

[(1, 198377820), (2, 99188910), (3, 66125940), (4, 49594455), (5, 39675564), (6, 33062970), (9, 22041980), (10, 19837782), (12, 16531485), (15, 13225188), (18, 11020990), (20, 9918891), (30, 6612594), (36, 5510495), (45, 4408396), (60, 3306297), (90, 2204198), (109, 1819980), (180, 1102099), (218, 909990), (327, 606660), (436, 454995), (545, 363996), (654, 303330), (981, 202220), (1090, 181998), (1308, 151665), (1635, 121332), (1962, 101110), (2180, 90999), (3270, 60666), (3924, 50555), (4905, 40444), (6540, 30333), (9810, 20222), (10111, 19620)]