7957180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5167}}^1$

素因数の和:5194

約数の個数: 48

約数和(自身を含む): 20837376

約数和(自身を除く): 12880196

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5167, 10334, 20668, 25835, 36169, 51670, 56837, 72338, 103340, 113674, 144676, 180845, 227348, 284185, 361690, 397859, 568370, 723380, 795718, 1136740, 1591436, 1989295, 3978590, 7957180]

約数ペア:

[(1, 7957180), (2, 3978590), (4, 1989295), (5, 1591436), (7, 1136740), (10, 795718), (11, 723380), (14, 568370), (20, 397859), (22, 361690), (28, 284185), (35, 227348), (44, 180845), (55, 144676), (70, 113674), (77, 103340), (110, 72338), (140, 56837), (154, 51670), (220, 36169), (308, 25835), (385, 20668), (770, 10334), (1540, 5167)]