2422220

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{431}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 5116608

約数和(自身を除く): 2694388

約数列:

[1, 2, 4, 5, 10, 20, 281, 431, 562, 862, 1124, 1405, 1724, 2155, 2810, 4310, 5620, 8620, 121111, 242222, 484444, 605555, 1211110, 2422220]

約数ペア:

[(1, 2422220), (2, 1211110), (4, 605555), (5, 484444), (10, 242222), (20, 121111), (281, 8620), (431, 5620), (562, 4310), (862, 2810), (1124, 2155), (1405, 1724)]