57105020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{407893}}^1$

素因数の和:407909

約数の個数: 24

約数和(自身を含む): 137052384

約数和(自身を除く): 79947364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 407893, 815786, 1631572, 2039465, 2855251, 4078930, 5710502, 8157860, 11421004, 14276255, 28552510, 57105020]

約数ペア:

[(1, 57105020), (2, 28552510), (4, 14276255), (5, 11421004), (7, 8157860), (10, 5710502), (14, 4078930), (20, 2855251), (28, 2039465), (35, 1631572), (70, 815786), (140, 407893)]