87727780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{626627}}^1$

素因数の和:626643

約数の個数: 24

約数和(自身を含む): 210547008

約数和(自身を除く): 122819228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 626627, 1253254, 2506508, 3133135, 4386389, 6266270, 8772778, 12532540, 17545556, 21931945, 43863890, 87727780]

約数ペア:

[(1, 87727780), (2, 43863890), (4, 21931945), (5, 17545556), (7, 12532540), (10, 8772778), (14, 6266270), (20, 4386389), (28, 3133135), (35, 2506508), (70, 1253254), (140, 626627)]