168431390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2339}}^1$

素因数の和:2744

約数の個数: 32

約数和(自身を含む): 320112000

約数和(自身を除く): 151680610

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 379, 758, 1895, 2339, 3790, 4678, 7201, 11695, 14402, 23390, 36005, 44441, 72010, 88882, 222205, 444410, 886481, 1772962, 4432405, 8864810, 16843139, 33686278, 84215695, 168431390]

約数ペア:

[(1, 168431390), (2, 84215695), (5, 33686278), (10, 16843139), (19, 8864810), (38, 4432405), (95, 1772962), (190, 886481), (379, 444410), (758, 222205), (1895, 88882), (2339, 72010), (3790, 44441), (4678, 36005), (7201, 23390), (11695, 14402)]