67999540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6841}}^1$

素因数の和:6928

約数の個数: 48

約数和(自身を含む): 165521664

約数和(自身を除く): 97522124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 6841, 9940, 13682, 27364, 34205, 47887, 68410, 95774, 136820, 191548, 239435, 478870, 485711, 957740, 971422, 1942844, 2428555, 3399977, 4857110, 6799954, 9714220, 13599908, 16999885, 33999770, 67999540]

約数ペア:

[(1, 67999540), (2, 33999770), (4, 16999885), (5, 13599908), (7, 9714220), (10, 6799954), (14, 4857110), (20, 3399977), (28, 2428555), (35, 1942844), (70, 971422), (71, 957740), (140, 485711), (142, 478870), (284, 239435), (355, 191548), (497, 136820), (710, 95774), (994, 68410), (1420, 47887), (1988, 34205), (2485, 27364), (4970, 13682), (6841, 9940)]