77931140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556651}}^1$

素因数の和:556667

約数の個数: 24

約数和(自身を含む): 187035072

約数和(自身を除く): 109103932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556651, 1113302, 2226604, 2783255, 3896557, 5566510, 7793114, 11133020, 15586228, 19482785, 38965570, 77931140]

約数ペア:

[(1, 77931140), (2, 38965570), (4, 19482785), (5, 15586228), (7, 11133020), (10, 7793114), (14, 5566510), (20, 3896557), (28, 2783255), (35, 2226604), (70, 1113302), (140, 556651)]