54709340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{390781}}^1$

素因数の和:390797

約数の個数: 24

約数和(自身を含む): 131302752

約数和(自身を除く): 76593412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 390781, 781562, 1563124, 1953905, 2735467, 3907810, 5470934, 7815620, 10941868, 13677335, 27354670, 54709340]

約数ペア:

[(1, 54709340), (2, 27354670), (4, 13677335), (5, 10941868), (7, 7815620), (10, 5470934), (14, 3907810), (20, 2735467), (28, 1953905), (35, 1563124), (70, 781562), (140, 390781)]