54707620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1789}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 126302400

約数和(自身を除く): 71594780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 1789, 2780, 3058, 3578, 6116, 7156, 7645, 8945, 15290, 17890, 19679, 30580, 35780, 39358, 78716, 98395, 196790, 248671, 393580, 497342, 994684, 1243355, 2486710, 2735381, 4973420, 5470762, 10941524, 13676905, 27353810, 54707620]

約数ペア:

[(1, 54707620), (2, 27353810), (4, 13676905), (5, 10941524), (10, 5470762), (11, 4973420), (20, 2735381), (22, 2486710), (44, 1243355), (55, 994684), (110, 497342), (139, 393580), (220, 248671), (278, 196790), (556, 98395), (695, 78716), (1390, 39358), (1529, 35780), (1789, 30580), (2780, 19679), (3058, 17890), (3578, 15290), (6116, 8945), (7156, 7645)]