457940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3271}}^1$

素因数の和:3287

約数の個数: 24

約数和(自身を含む): 1099392

約数和(自身を除く): 641452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3271, 6542, 13084, 16355, 22897, 32710, 45794, 65420, 91588, 114485, 228970, 457940]

約数ペア:

[(1, 457940), (2, 228970), (4, 114485), (5, 91588), (7, 65420), (10, 45794), (14, 32710), (20, 22897), (28, 16355), (35, 13084), (70, 6542), (140, 3271)]