8977780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{9161}}^1$

素因数の和:9184

約数の個数: 36

約数和(自身を含む): 21933828

約数和(自身を除く): 12956048

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 9161, 18322, 36644, 45805, 64127, 91610, 128254, 183220, 256508, 320635, 448889, 641270, 897778, 1282540, 1795556, 2244445, 4488890, 8977780]

約数ペア:

[(1, 8977780), (2, 4488890), (4, 2244445), (5, 1795556), (7, 1282540), (10, 897778), (14, 641270), (20, 448889), (28, 320635), (35, 256508), (49, 183220), (70, 128254), (98, 91610), (140, 64127), (196, 45805), (245, 36644), (490, 18322), (980, 9161)]