68490590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{2141}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 141269184

約数和(自身を除く): 72778594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 914, 2141, 2285, 3199, 4282, 4570, 6398, 10705, 14987, 15995, 21410, 29974, 31990, 74935, 149870, 978437, 1956874, 4892185, 6849059, 9784370, 13698118, 34245295, 68490590]

約数ペア:

[(1, 68490590), (2, 34245295), (5, 13698118), (7, 9784370), (10, 6849059), (14, 4892185), (35, 1956874), (70, 978437), (457, 149870), (914, 74935), (2141, 31990), (2285, 29974), (3199, 21410), (4282, 15995), (4570, 14987), (6398, 10705)]