8904140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{63601}}^1$

素因数の和:63617

約数の個数: 24

約数和(自身を含む): 21370272

約数和(自身を除く): 12466132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 63601, 127202, 254404, 318005, 445207, 636010, 890414, 1272020, 1780828, 2226035, 4452070, 8904140]

約数ペア:

[(1, 8904140), (2, 4452070), (4, 2226035), (5, 1780828), (7, 1272020), (10, 890414), (14, 636010), (20, 445207), (28, 318005), (35, 254404), (70, 127202), (140, 63601)]