28884660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 93515520

約数和(自身を除く): 64630860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 709, 970, 1164, 1358, 1418, 1455, 1940, 2037, 2127, 2716, 2836, 2910, 3395, 3545, 4074, 4254, 4963, 5820, 6790, 7090, 8148, 8508, 9926, 10185, 10635, 13580, 14180, 14889, 19852, 20370, 21270, 24815, 29778, 40740, 42540, 49630, 59556, 68773, 74445, 99260, 137546, 148890, 206319, 275092, 297780, 343865, 412638, 481411, 687730, 825276, 962822, 1031595, 1375460, 1444233, 1925644, 2063190, 2407055, 2888466, 4126380, 4814110, 5776932, 7221165, 9628220, 14442330, 28884660]

約数ペア:

[(1, 28884660), (2, 14442330), (3, 9628220), (4, 7221165), (5, 5776932), (6, 4814110), (7, 4126380), (10, 2888466), (12, 2407055), (14, 2063190), (15, 1925644), (20, 1444233), (21, 1375460), (28, 1031595), (30, 962822), (35, 825276), (42, 687730), (60, 481411), (70, 412638), (84, 343865), (97, 297780), (105, 275092), (140, 206319), (194, 148890), (210, 137546), (291, 99260), (388, 74445), (420, 68773), (485, 59556), (582, 49630), (679, 42540), (709, 40740), (970, 29778), (1164, 24815), (1358, 21270), (1418, 20370), (1455, 19852), (1940, 14889), (2037, 14180), (2127, 13580), (2716, 10635), (2836, 10185), (2910, 9926), (3395, 8508), (3545, 8148), (4074, 7090), (4254, 6790), (4963, 5820)]