28770280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9341}}^1$

素因数の和:9370

約数の個数: 64

約数和(自身を含む): 80714880

約数和(自身を除く): 51944600

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, 1540, 3080, 9341, 18682, 37364, 46705, 65387, 74728, 93410, 102751, 130774, 186820, 205502, 261548, 326935, 373640, 411004, 513755, 523096, 653870, 719257, 822008, 1027510, 1307740, 1438514, 2055020, 2615480, 2877028, 3596285, 4110040, 5754056, 7192570, 14385140, 28770280]

約数ペア:

[(1, 28770280), (2, 14385140), (4, 7192570), (5, 5754056), (7, 4110040), (8, 3596285), (10, 2877028), (11, 2615480), (14, 2055020), (20, 1438514), (22, 1307740), (28, 1027510), (35, 822008), (40, 719257), (44, 653870), (55, 523096), (56, 513755), (70, 411004), (77, 373640), (88, 326935), (110, 261548), (140, 205502), (154, 186820), (220, 130774), (280, 102751), (308, 93410), (385, 74728), (440, 65387), (616, 46705), (770, 37364), (1540, 18682), (3080, 9341)]