199782490

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{83591}}^1$

素因数の和:83837

約数の個数: 16

約数和(自身を含む): 361117440

約数和(自身を除く): 161334950

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 83591, 167182, 417955, 835910, 19978249, 39956498, 99891245, 199782490]

約数ペア:

[(1, 199782490), (2, 99891245), (5, 39956498), (10, 19978249), (239, 835910), (478, 417955), (1195, 167182), (2390, 83591)]