78694420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{562103}}^1$

素因数の和:562119

約数の個数: 24

約数和(自身を含む): 188866944

約数和(自身を除く): 110172524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 562103, 1124206, 2248412, 2810515, 3934721, 5621030, 7869442, 11242060, 15738884, 19673605, 39347210, 78694420]

約数ペア:

[(1, 78694420), (2, 39347210), (4, 19673605), (5, 15738884), (7, 11242060), (10, 7869442), (14, 5621030), (20, 3934721), (28, 2810515), (35, 2248412), (70, 1124206), (140, 562103)]