90487130

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{257}}^2$

素因数の和:658

約数の個数: 24

約数和(自身を含む): 164706588

約数和(自身を除く): 74219458

約数列:

[1, 2, 5, 10, 137, 257, 274, 514, 685, 1285, 1370, 2570, 35209, 66049, 70418, 132098, 176045, 330245, 352090, 660490, 9048713, 18097426, 45243565, 90487130]

約数ペア:

[(1, 90487130), (2, 45243565), (5, 18097426), (10, 9048713), (137, 660490), (257, 352090), (274, 330245), (514, 176045), (685, 132098), (1285, 70418), (1370, 66049), (2570, 35209)]