8379140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5441}}^1$

素因数の和:5468

約数の個数: 48

約数和(自身を含む): 21942144

約数和(自身を除く): 13563004

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, 5441, 10882, 21764, 27205, 38087, 54410, 59851, 76174, 108820, 119702, 152348, 190435, 239404, 299255, 380870, 418957, 598510, 761740, 837914, 1197020, 1675828, 2094785, 4189570, 8379140]

約数ペア:

[(1, 8379140), (2, 4189570), (4, 2094785), (5, 1675828), (7, 1197020), (10, 837914), (11, 761740), (14, 598510), (20, 418957), (22, 380870), (28, 299255), (35, 239404), (44, 190435), (55, 152348), (70, 119702), (77, 108820), (110, 76174), (140, 59851), (154, 54410), (220, 38087), (308, 27205), (385, 21764), (770, 10882), (1540, 5441)]