205047070

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{891509}}^1$

素因数の和:891539

約数の個数: 16

約数和(自身を含む): 385132320

約数和(自身を除く): 180085250

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 891509, 1783018, 4457545, 8915090, 20504707, 41009414, 102523535, 205047070]

約数ペア:

[(1, 205047070), (2, 102523535), (5, 41009414), (10, 20504707), (23, 8915090), (46, 4457545), (115, 1783018), (230, 891509)]