2019187720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1\times {\mathrm{3323}}^1$

素因数の和:4726

約数の個数: 64

約数和(自身を含む): 4961269440

約数和(自身を除く): 2942081720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1381, 2762, 3323, 5524, 6646, 6905, 11048, 13292, 13810, 15191, 16615, 26584, 27620, 30382, 33230, 36553, 55240, 60764, 66460, 73106, 75955, 121528, 132920, 146212, 151910, 182765, 292424, 303820, 365530, 607640, 731060, 1462120, 4589063, 9178126, 18356252, 22945315, 36712504, 45890630, 50479693, 91781260, 100959386, 183562520, 201918772, 252398465, 403837544, 504796930, 1009593860, 2019187720]

約数ペア:

[(1, 2019187720), (2, 1009593860), (4, 504796930), (5, 403837544), (8, 252398465), (10, 201918772), (11, 183562520), (20, 100959386), (22, 91781260), (40, 50479693), (44, 45890630), (55, 36712504), (88, 22945315), (110, 18356252), (220, 9178126), (440, 4589063), (1381, 1462120), (2762, 731060), (3323, 607640), (5524, 365530), (6646, 303820), (6905, 292424), (11048, 182765), (13292, 151910), (13810, 146212), (15191, 132920), (16615, 121528), (26584, 75955), (27620, 73106), (30382, 66460), (33230, 60764), (36553, 55240)]