31870090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{337}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 67276872

約数和(自身を除く): 35406782

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 193, 245, 337, 386, 490, 674, 965, 1351, 1685, 1930, 2359, 2702, 3370, 4718, 6755, 9457, 11795, 13510, 16513, 18914, 23590, 33026, 47285, 65041, 82565, 94570, 130082, 165130, 325205, 455287, 650410, 910574, 2276435, 3187009, 4552870, 6374018, 15935045, 31870090]

約数ペア:

[(1, 31870090), (2, 15935045), (5, 6374018), (7, 4552870), (10, 3187009), (14, 2276435), (35, 910574), (49, 650410), (70, 455287), (98, 325205), (193, 165130), (245, 130082), (337, 94570), (386, 82565), (490, 65041), (674, 47285), (965, 33026), (1351, 23590), (1685, 18914), (1930, 16513), (2359, 13510), (2702, 11795), (3370, 9457), (4718, 6755)]