1213302020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{8666443}}^1$

素因数の和:8666459

約数の個数: 24

約数和(自身を含む): 2911925184

約数和(自身を除く): 1698623164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 8666443, 17332886, 34665772, 43332215, 60665101, 86664430, 121330202, 173328860, 242660404, 303325505, 606651010, 1213302020]

約数ペア:

[(1, 1213302020), (2, 606651010), (4, 303325505), (5, 242660404), (7, 173328860), (10, 121330202), (14, 86664430), (20, 60665101), (28, 43332215), (35, 34665772), (70, 17332886), (140, 8666443)]