1218444220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8703173}}^1$

素因数の和:8703189

約数の個数: 24

約数和(自身を含む): 2924266464

約数和(自身を除く): 1705822244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8703173, 17406346, 34812692, 43515865, 60922211, 87031730, 121844422, 174063460, 243688844, 304611055, 609222110, 1218444220]

約数ペア:

[(1, 1218444220), (2, 609222110), (4, 304611055), (5, 243688844), (7, 174063460), (10, 121844422), (14, 87031730), (20, 60922211), (28, 43515865), (35, 34812692), (70, 17406346), (140, 8703173)]