68738180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{70141}}^1$

素因数の和:70164

約数の個数: 36

約数和(自身を含む): 167919948

約数和(自身を除く): 99181768

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 70141, 140282, 280564, 350705, 490987, 701410, 981974, 1402820, 1963948, 2454935, 3436909, 4909870, 6873818, 9819740, 13747636, 17184545, 34369090, 68738180]

約数ペア:

[(1, 68738180), (2, 34369090), (4, 17184545), (5, 13747636), (7, 9819740), (10, 6873818), (14, 4909870), (20, 3436909), (28, 2454935), (35, 1963948), (49, 1402820), (70, 981974), (98, 701410), (140, 490987), (196, 350705), (245, 280564), (490, 140282), (980, 70141)]