86976490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{1999}}^1$

素因数の和:2254

約数の個数: 32

約数和(自身を含む): 165600000

約数和(自身を除く): 78623510

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 229, 458, 1145, 1999, 2290, 3998, 4351, 8702, 9995, 19990, 21755, 37981, 43510, 75962, 189905, 379810, 457771, 915542, 2288855, 4577710, 8697649, 17395298, 43488245, 86976490]

約数ペア:

[(1, 86976490), (2, 43488245), (5, 17395298), (10, 8697649), (19, 4577710), (38, 2288855), (95, 915542), (190, 457771), (229, 379810), (458, 189905), (1145, 75962), (1999, 43510), (2290, 37981), (3998, 21755), (4351, 19990), (8702, 9995)]