438332020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3130943}}^1$

素因数の和:3130959

約数の個数: 24

約数和(自身を含む): 1051997184

約数和(自身を除く): 613665164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3130943, 6261886, 12523772, 15654715, 21916601, 31309430, 43833202, 62618860, 87666404, 109583005, 219166010, 438332020]

約数ペア:

[(1, 438332020), (2, 219166010), (4, 109583005), (5, 87666404), (7, 62618860), (10, 43833202), (14, 31309430), (20, 21916601), (28, 15654715), (35, 12523772), (70, 6261886), (140, 3130943)]