2805880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 7879680

約数和(自身を除く): 5073800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 911, 1540, 1822, 3080, 3644, 4555, 6377, 7288, 9110, 10021, 12754, 18220, 20042, 25508, 31885, 36440, 40084, 50105, 51016, 63770, 70147, 80168, 100210, 127540, 140294, 200420, 255080, 280588, 350735, 400840, 561176, 701470, 1402940, 2805880]

約数ペア:

[(1, 2805880), (2, 1402940), (4, 701470), (5, 561176), (7, 400840), (8, 350735), (10, 280588), (11, 255080), (14, 200420), (20, 140294), (22, 127540), (28, 100210), (35, 80168), (40, 70147), (44, 63770), (55, 51016), (56, 50105), (70, 40084), (77, 36440), (88, 31885), (110, 25508), (140, 20042), (154, 18220), (220, 12754), (280, 10021), (308, 9110), (385, 7288), (440, 6377), (616, 4555), (770, 3644), (911, 3080), (1540, 1822)]