280827085

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{9473}}^1$

素因数の和:9514

約数の個数: 36

約数和(自身を含む): 430934364

約数和(自身を除く): 150107279

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 539, 605, 847, 2695, 4235, 5929, 9473, 29645, 47365, 66311, 104203, 331555, 464177, 521015, 729421, 1146233, 2320885, 3647105, 5105947, 5731165, 8023631, 25529735, 40118155, 56165417, 280827085]

約数ペア:

[(1, 280827085), (5, 56165417), (7, 40118155), (11, 25529735), (35, 8023631), (49, 5731165), (55, 5105947), (77, 3647105), (121, 2320885), (245, 1146233), (385, 729421), (539, 521015), (605, 464177), (847, 331555), (2695, 104203), (4235, 66311), (5929, 47365), (9473, 29645)]