211457360

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{39451}}^1$

素因数の和:39531

約数の個数: 40

約数和(自身を含む): 498988896

約数和(自身を除く): 287531536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 39451, 78902, 157804, 197255, 315608, 394510, 631216, 789020, 1578040, 2643217, 3156080, 5286434, 10572868, 13216085, 21145736, 26432170, 42291472, 52864340, 105728680, 211457360]

約数ペア:

[(1, 211457360), (2, 105728680), (4, 52864340), (5, 42291472), (8, 26432170), (10, 21145736), (16, 13216085), (20, 10572868), (40, 5286434), (67, 3156080), (80, 2643217), (134, 1578040), (268, 789020), (335, 631216), (536, 394510), (670, 315608), (1072, 197255), (1340, 157804), (2680, 78902), (5360, 39451)]