86879240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{310283}}^1$

素因数の和:310301

約数の個数: 32

約数和(自身を含む): 223404480

約数和(自身を除く): 136525240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 310283, 620566, 1241132, 1551415, 2171981, 2482264, 3102830, 4343962, 6205660, 8687924, 10859905, 12411320, 17375848, 21719810, 43439620, 86879240]

約数ペア:

[(1, 86879240), (2, 43439620), (4, 21719810), (5, 17375848), (7, 12411320), (8, 10859905), (10, 8687924), (14, 6205660), (20, 4343962), (28, 3102830), (35, 2482264), (40, 2171981), (56, 1551415), (70, 1241132), (140, 620566), (280, 310283)]