77921060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{556579}}^1$

素因数の和:556595

約数の個数: 24

約数和(自身を含む): 187010880

約数和(自身を除く): 109089820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 556579, 1113158, 2226316, 2782895, 3896053, 5565790, 7792106, 11131580, 15584212, 19480265, 38960530, 77921060]

約数ペア:

[(1, 77921060), (2, 38960530), (4, 19480265), (5, 15584212), (7, 11131580), (10, 7792106), (14, 5565790), (20, 3896053), (28, 2782895), (35, 2226316), (70, 1113158), (140, 556579)]