68947480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{246241}}^1$

素因数の和:246259

約数の個数: 32

約数和(自身を含む): 177294240

約数和(自身を除く): 108346760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 246241, 492482, 984964, 1231205, 1723687, 1969928, 2462410, 3447374, 4924820, 6894748, 8618435, 9849640, 13789496, 17236870, 34473740, 68947480]

約数ペア:

[(1, 68947480), (2, 34473740), (4, 17236870), (5, 13789496), (7, 9849640), (8, 8618435), (10, 6894748), (14, 4924820), (20, 3447374), (28, 2462410), (35, 1969928), (40, 1723687), (56, 1231205), (70, 984964), (140, 492482), (280, 246241)]