99804040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{356443}}^1$

素因数の和:356461

約数の個数: 32

約数和(自身を含む): 256639680

約数和(自身を除く): 156835640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 356443, 712886, 1425772, 1782215, 2495101, 2851544, 3564430, 4990202, 7128860, 9980404, 12475505, 14257720, 19960808, 24951010, 49902020, 99804040]

約数ペア:

[(1, 99804040), (2, 49902020), (4, 24951010), (5, 19960808), (7, 14257720), (8, 12475505), (10, 9980404), (14, 7128860), (20, 4990202), (28, 3564430), (35, 2851544), (40, 2495101), (56, 1782215), (70, 1425772), (140, 712886), (280, 356443)]