68684140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{3863}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 166182912

約数和(自身を除く): 97498772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 3863, 4445, 7726, 8890, 15452, 17780, 19315, 27041, 38630, 54082, 77260, 108164, 135205, 270410, 490601, 540820, 981202, 1962404, 2453005, 3434207, 4906010, 6868414, 9812020, 13736828, 17171035, 34342070, 68684140]

約数ペア:

[(1, 68684140), (2, 34342070), (4, 17171035), (5, 13736828), (7, 9812020), (10, 6868414), (14, 4906010), (20, 3434207), (28, 2453005), (35, 1962404), (70, 981202), (127, 540820), (140, 490601), (254, 270410), (508, 135205), (635, 108164), (889, 77260), (1270, 54082), (1778, 38630), (2540, 27041), (3556, 19315), (3863, 17780), (4445, 15452), (7726, 8890)]