206840170

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{261823}}^1$

素因数の和:261909

約数の個数: 16

約数和(自身を含む): 377026560

約数和(自身を除く): 170186390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 261823, 523646, 1309115, 2618230, 20684017, 41368034, 103420085, 206840170]

約数ペア:

[(1, 206840170), (2, 103420085), (5, 41368034), (10, 20684017), (79, 2618230), (158, 1309115), (395, 523646), (790, 261823)]