865340140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6181001}}^1$

素因数の和:6181017

約数の個数: 24

約数和(自身を含む): 2076816672

約数和(自身を除く): 1211476532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6181001, 12362002, 24724004, 30905005, 43267007, 61810010, 86534014, 123620020, 173068028, 216335035, 432670070, 865340140]

約数ペア:

[(1, 865340140), (2, 432670070), (4, 216335035), (5, 173068028), (7, 123620020), (10, 86534014), (14, 61810010), (20, 43267007), (28, 30905005), (35, 24724004), (70, 12362002), (140, 6181001)]