289756870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{5881}}^1$

素因数の和:6280

約数の個数: 32

約数和(自身を含む): 563260320

約数和(自身を除く): 273503450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 379, 758, 1895, 3790, 4927, 5881, 9854, 11762, 24635, 29405, 49270, 58810, 76453, 152906, 382265, 764530, 2228899, 4457798, 11144495, 22288990, 28975687, 57951374, 144878435, 289756870]

約数ペア:

[(1, 289756870), (2, 144878435), (5, 57951374), (10, 28975687), (13, 22288990), (26, 11144495), (65, 4457798), (130, 2228899), (379, 764530), (758, 382265), (1895, 152906), (3790, 76453), (4927, 58810), (5881, 49270), (9854, 29405), (11762, 24635)]