280180945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{14939}}^1$

素因数の和:14997

約数の個数: 24

約数和(自身を含む): 381507840

約数和(自身を除く): 101326895

約数列:

[1, 5, 11, 31, 55, 121, 155, 341, 605, 1705, 3751, 14939, 18755, 74695, 164329, 463109, 821645, 1807619, 2315545, 5094199, 9038095, 25470995, 56036189, 280180945]

約数ペア:

[(1, 280180945), (5, 56036189), (11, 25470995), (31, 9038095), (55, 5094199), (121, 2315545), (155, 1807619), (341, 821645), (605, 463109), (1705, 164329), (3751, 74695), (14939, 18755)]