51489340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{367781}}^1$

素因数の和:367797

約数の個数: 24

約数和(自身を含む): 123574752

約数和(自身を除く): 72085412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 367781, 735562, 1471124, 1838905, 2574467, 3677810, 5148934, 7355620, 10297868, 12872335, 25744670, 51489340]

約数ペア:

[(1, 51489340), (2, 25744670), (4, 12872335), (5, 10297868), (7, 7355620), (10, 5148934), (14, 3677810), (20, 2574467), (28, 1838905), (35, 1471124), (70, 735562), (140, 367781)]