68990180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{2753}}^1$

素因数の和:2948

約数の個数: 48

約数和(自身を含む): 166561920

約数和(自身を除く): 97571740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 2753, 3580, 5012, 5506, 6265, 11012, 12530, 13765, 19271, 25060, 27530, 38542, 55060, 77084, 96355, 192710, 385420, 492787, 985574, 1971148, 2463935, 3449509, 4927870, 6899018, 9855740, 13798036, 17247545, 34495090, 68990180]

約数ペア:

[(1, 68990180), (2, 34495090), (4, 17247545), (5, 13798036), (7, 9855740), (10, 6899018), (14, 4927870), (20, 3449509), (28, 2463935), (35, 1971148), (70, 985574), (140, 492787), (179, 385420), (358, 192710), (716, 96355), (895, 77084), (1253, 55060), (1790, 38542), (2506, 27530), (2753, 25060), (3580, 19271), (5012, 13765), (5506, 12530), (6265, 11012)]