78817340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2917}}^1$

素因数の和:3126

約数の個数: 48

約数和(自身を含む): 190206912

約数和(自身を除く): 111389572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1930, 2702, 2917, 3860, 5404, 5834, 6755, 11668, 13510, 14585, 20419, 27020, 29170, 40838, 58340, 81676, 102095, 204190, 408380, 562981, 1125962, 2251924, 2814905, 3940867, 5629810, 7881734, 11259620, 15763468, 19704335, 39408670, 78817340]

約数ペア:

[(1, 78817340), (2, 39408670), (4, 19704335), (5, 15763468), (7, 11259620), (10, 7881734), (14, 5629810), (20, 3940867), (28, 2814905), (35, 2251924), (70, 1125962), (140, 562981), (193, 408380), (386, 204190), (772, 102095), (965, 81676), (1351, 58340), (1930, 40838), (2702, 29170), (2917, 27020), (3860, 20419), (5404, 14585), (5834, 13510), (6755, 11668)]