280010315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13337}}^1$

素因数の和:13391

約数の個数: 32

約数和(自身を含む): 403341120

約数和(自身を除く): 123330805

約数列:

[1, 5, 13, 17, 19, 65, 85, 95, 221, 247, 323, 1105, 1235, 1615, 4199, 13337, 20995, 66685, 173381, 226729, 253403, 866905, 1133645, 1267015, 2947477, 3294239, 4307851, 14737385, 16471195, 21539255, 56002063, 280010315]

約数ペア:

[(1, 280010315), (5, 56002063), (13, 21539255), (17, 16471195), (19, 14737385), (65, 4307851), (85, 3294239), (95, 2947477), (221, 1267015), (247, 1133645), (323, 866905), (1105, 253403), (1235, 226729), (1615, 173381), (4199, 66685), (13337, 20995)]