86887780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{88661}}^1$

素因数の和:88684

約数の個数: 36

約数和(自身を含む): 212256828

約数和(自身を除く): 125369048

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 88661, 177322, 354644, 443305, 620627, 886610, 1241254, 1773220, 2482508, 3103135, 4344389, 6206270, 8688778, 12412540, 17377556, 21721945, 43443890, 86887780]

約数ペア:

[(1, 86887780), (2, 43443890), (4, 21721945), (5, 17377556), (7, 12412540), (10, 8688778), (14, 6206270), (20, 4344389), (28, 3103135), (35, 2482508), (49, 1773220), (70, 1241254), (98, 886610), (140, 620627), (196, 443305), (245, 354644), (490, 177322), (980, 88661)]