858199540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3900907}}^1$

素因数の和:3900927

約数の個数: 24

約数和(自身を含む): 1966057632

約数和(自身を除く): 1107858092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3900907, 7801814, 15603628, 19504535, 39009070, 42909977, 78018140, 85819954, 171639908, 214549885, 429099770, 858199540]

約数ペア:

[(1, 858199540), (2, 429099770), (4, 214549885), (5, 171639908), (10, 85819954), (11, 78018140), (20, 42909977), (22, 39009070), (44, 19504535), (55, 15603628), (110, 7801814), (220, 3900907)]