27720070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{396001}}^1$

素因数の和:396015

約数の個数: 16

約数和(自身を含む): 57024288

約数和(自身を除く): 29304218

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 396001, 792002, 1980005, 2772007, 3960010, 5544014, 13860035, 27720070]

約数ペア:

[(1, 27720070), (2, 13860035), (5, 5544014), (7, 3960010), (10, 2772007), (14, 1980005), (35, 792002), (70, 396001)]