2007998080

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{285227}}^1$

素因数の和:285257

約数の個数: 64

約数和(自身を含む): 5236786080

約数和(自身を除く): 3228788000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 7040, 285227, 570454, 1140908, 1426135, 2281816, 2852270, 3137497, 4563632, 5704540, 6274994, 9127264, 11409080, 12549988, 15687485, 18254528, 22818160, 25099976, 31374970, 36509056, 45636320, 50199952, 62749940, 91272640, 100399904, 125499880, 182545280, 200799808, 250999760, 401599616, 501999520, 1003999040, 2007998080]

約数ペア:

[(1, 2007998080), (2, 1003999040), (4, 501999520), (5, 401599616), (8, 250999760), (10, 200799808), (11, 182545280), (16, 125499880), (20, 100399904), (22, 91272640), (32, 62749940), (40, 50199952), (44, 45636320), (55, 36509056), (64, 31374970), (80, 25099976), (88, 22818160), (110, 18254528), (128, 15687485), (160, 12549988), (176, 11409080), (220, 9127264), (320, 6274994), (352, 5704540), (440, 4563632), (640, 3137497), (704, 2852270), (880, 2281816), (1408, 1426135), (1760, 1140908), (3520, 570454), (7040, 285227)]