42678860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{304849}}^1$

素因数の和:304865

約数の個数: 24

約数和(自身を含む): 102429600

約数和(自身を除く): 59750740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 304849, 609698, 1219396, 1524245, 2133943, 3048490, 4267886, 6096980, 8535772, 10669715, 21339430, 42678860]

約数ペア:

[(1, 42678860), (2, 21339430), (4, 10669715), (5, 8535772), (7, 6096980), (10, 4267886), (14, 3048490), (20, 2133943), (28, 1524245), (35, 1219396), (70, 609698), (140, 304849)]