87300820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{229739}}^1$

素因数の和:229767

約数の個数: 24

約数和(自身を含む): 192981600

約数和(自身を除く): 105680780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 229739, 459478, 918956, 1148695, 2297390, 4365041, 4594780, 8730082, 17460164, 21825205, 43650410, 87300820]

約数ペア:

[(1, 87300820), (2, 43650410), (4, 21825205), (5, 17460164), (10, 8730082), (19, 4594780), (20, 4365041), (38, 2297390), (76, 1148695), (95, 918956), (190, 459478), (380, 229739)]