56297780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 149022720

約数和(自身を除く): 92724940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 139, 140, 154, 220, 263, 278, 308, 385, 526, 556, 695, 770, 973, 1052, 1315, 1390, 1529, 1540, 1841, 1946, 2630, 2780, 2893, 3058, 3682, 3892, 4865, 5260, 5786, 6116, 7364, 7645, 9205, 9730, 10703, 11572, 14465, 15290, 18410, 19460, 20251, 21406, 28930, 30580, 36557, 36820, 40502, 42812, 53515, 57860, 73114, 81004, 101255, 107030, 146228, 182785, 202510, 214060, 255899, 365570, 402127, 405020, 511798, 731140, 804254, 1023596, 1279495, 1608508, 2010635, 2558990, 2814889, 4021270, 5117980, 5629778, 8042540, 11259556, 14074445, 28148890, 56297780]

約数ペア:

[(1, 56297780), (2, 28148890), (4, 14074445), (5, 11259556), (7, 8042540), (10, 5629778), (11, 5117980), (14, 4021270), (20, 2814889), (22, 2558990), (28, 2010635), (35, 1608508), (44, 1279495), (55, 1023596), (70, 804254), (77, 731140), (110, 511798), (139, 405020), (140, 402127), (154, 365570), (220, 255899), (263, 214060), (278, 202510), (308, 182785), (385, 146228), (526, 107030), (556, 101255), (695, 81004), (770, 73114), (973, 57860), (1052, 53515), (1315, 42812), (1390, 40502), (1529, 36820), (1540, 36557), (1841, 30580), (1946, 28930), (2630, 21406), (2780, 20251), (2893, 19460), (3058, 18410), (3682, 15290), (3892, 14465), (4865, 11572), (5260, 10703), (5786, 9730), (6116, 9205), (7364, 7645)]