68554990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2011}}^1$

素因数の和:2512

約数の個数: 32

約数和(自身を含む): 141387264

約数和(自身を除く): 72832274

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 487, 974, 2011, 2435, 3409, 4022, 4870, 6818, 10055, 14077, 17045, 20110, 28154, 34090, 70385, 140770, 979357, 1958714, 4896785, 6855499, 9793570, 13710998, 34277495, 68554990]

約数ペア:

[(1, 68554990), (2, 34277495), (5, 13710998), (7, 9793570), (10, 6855499), (14, 4896785), (35, 1958714), (70, 979357), (487, 140770), (974, 70385), (2011, 34090), (2435, 28154), (3409, 20110), (4022, 17045), (4870, 14077), (6818, 10055)]