7125140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 16511040

約数和(自身を除く): 9385900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 233, 278, 466, 556, 695, 932, 1165, 1390, 1529, 2330, 2563, 2780, 3058, 4660, 5126, 6116, 7645, 10252, 12815, 15290, 25630, 30580, 32387, 51260, 64774, 129548, 161935, 323870, 356257, 647740, 712514, 1425028, 1781285, 3562570, 7125140]

約数ペア:

[(1, 7125140), (2, 3562570), (4, 1781285), (5, 1425028), (10, 712514), (11, 647740), (20, 356257), (22, 323870), (44, 161935), (55, 129548), (110, 64774), (139, 51260), (220, 32387), (233, 30580), (278, 25630), (466, 15290), (556, 12815), (695, 10252), (932, 7645), (1165, 6116), (1390, 5126), (1529, 4660), (2330, 3058), (2563, 2780)]