221796740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7253}}^1$

素因数の和:7412

約数の個数: 48

約数和(自身を含む): 511842240

約数和(自身を除く): 290045500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 2780, 3058, 6116, 7253, 7645, 14506, 15290, 29012, 30580, 36265, 72530, 79783, 145060, 159566, 319132, 398915, 797830, 1008167, 1595660, 2016334, 4032668, 5040835, 10081670, 11089837, 20163340, 22179674, 44359348, 55449185, 110898370, 221796740]

約数ペア:

[(1, 221796740), (2, 110898370), (4, 55449185), (5, 44359348), (10, 22179674), (11, 20163340), (20, 11089837), (22, 10081670), (44, 5040835), (55, 4032668), (110, 2016334), (139, 1595660), (220, 1008167), (278, 797830), (556, 398915), (695, 319132), (1390, 159566), (1529, 145060), (2780, 79783), (3058, 72530), (6116, 36265), (7253, 30580), (7645, 29012), (14506, 15290)]