68689670

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{1361}}^1$

素因数の和:1485

約数の個数: 48

約数和(自身を含む): 145330848

約数和(自身を除く): 76641178

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 103, 206, 245, 490, 515, 721, 1030, 1361, 1442, 2722, 3605, 5047, 6805, 7210, 9527, 10094, 13610, 19054, 25235, 47635, 50470, 66689, 95270, 133378, 140183, 280366, 333445, 666890, 700915, 981281, 1401830, 1962562, 4906405, 6868967, 9812810, 13737934, 34344835, 68689670]

約数ペア:

[(1, 68689670), (2, 34344835), (5, 13737934), (7, 9812810), (10, 6868967), (14, 4906405), (35, 1962562), (49, 1401830), (70, 981281), (98, 700915), (103, 666890), (206, 333445), (245, 280366), (490, 140183), (515, 133378), (721, 95270), (1030, 66689), (1361, 50470), (1442, 47635), (2722, 25235), (3605, 19054), (5047, 13610), (6805, 10094), (7210, 9527)]