169489780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{119359}}^1$

素因数の和:119439

約数の個数: 24

約数和(自身を含む): 360944640

約数和(自身を除く): 191454860

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 119359, 238718, 477436, 596795, 1193590, 2387180, 8474489, 16948978, 33897956, 42372445, 84744890, 169489780]

約数ペア:

[(1, 169489780), (2, 84744890), (4, 42372445), (5, 33897956), (10, 16948978), (20, 8474489), (71, 2387180), (142, 1193590), (284, 596795), (355, 477436), (710, 238718), (1420, 119359)]