280721305

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1223}}^1\times {\mathrm{1583}}^1$

素因数の和:2840

約数の個数: 16

約数和(自身を含む): 348986880

約数和(自身を除く): 68265575

約数列:

[1, 5, 29, 145, 1223, 1583, 6115, 7915, 35467, 45907, 177335, 229535, 1936009, 9680045, 56144261, 280721305]

約数ペア:

[(1, 280721305), (5, 56144261), (29, 9680045), (145, 1936009), (1223, 229535), (1583, 177335), (6115, 45907), (7915, 35467)]