28924280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9391}}^1$

素因数の和:9420

約数の個数: 64

約数和(自身を含む): 81146880

約数和(自身を除く): 52222600

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, 9391, 18782, 37564, 46955, 65737, 75128, 93910, 103301, 131474, 187820, 206602, 262948, 328685, 375640, 413204, 516505, 525896, 657370, 723107, 826408, 1033010, 1314740, 1446214, 2066020, 2629480, 2892428, 3615535, 4132040, 5784856, 7231070, 14462140, 28924280]

約数ペア:

[(1, 28924280), (2, 14462140), (4, 7231070), (5, 5784856), (7, 4132040), (8, 3615535), (10, 2892428), (11, 2629480), (14, 2066020), (20, 1446214), (22, 1314740), (28, 1033010), (35, 826408), (40, 723107), (44, 657370), (55, 525896), (56, 516505), (70, 413204), (77, 375640), (88, 328685), (110, 262948), (140, 206602), (154, 187820), (220, 131474), (280, 103301), (308, 93910), (385, 75128), (440, 65737), (616, 46955), (770, 37564), (1540, 18782), (3080, 9391)]