280409905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{12253}}^1$

素因数の和:12480

約数の個数: 16

約数和(自身を含む): 352915200

約数和(自身を除く): 72505295

約数列:

[1, 5, 23, 115, 199, 995, 4577, 12253, 22885, 61265, 281819, 1409095, 2438347, 12191735, 56081981, 280409905]

約数ペア:

[(1, 280409905), (5, 56081981), (23, 12191735), (115, 2438347), (199, 1409095), (995, 281819), (4577, 61265), (12253, 22885)]