17677940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{126271}}^1$

素因数の和:126287

約数の個数: 24

約数和(自身を含む): 42427392

約数和(自身を除く): 24749452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 126271, 252542, 505084, 631355, 883897, 1262710, 1767794, 2525420, 3535588, 4419485, 8838970, 17677940]

約数ペア:

[(1, 17677940), (2, 8838970), (4, 4419485), (5, 3535588), (7, 2525420), (10, 1767794), (14, 1262710), (20, 883897), (28, 631355), (35, 505084), (70, 252542), (140, 126271)]