255710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 568512

約数和(自身を除く): 312802

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 281, 455, 562, 910, 1405, 1967, 2810, 3653, 3934, 7306, 9835, 18265, 19670, 25571, 36530, 51142, 127855, 255710]

約数ペア:

[(1, 255710), (2, 127855), (5, 51142), (7, 36530), (10, 25571), (13, 19670), (14, 18265), (26, 9835), (35, 7306), (65, 3934), (70, 3653), (91, 2810), (130, 1967), (182, 1405), (281, 910), (455, 562)]