320599945

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1\times {\mathrm{769}}^1$

素因数の和:1392

約数の個数: 16

約数和(自身を含む): 388080000

約数和(自身を除く): 67480055

約数列:

[1, 5, 199, 419, 769, 995, 2095, 3845, 83381, 153031, 322211, 416905, 765155, 1611055, 64119989, 320599945]

約数ペア:

[(1, 320599945), (5, 64119989), (199, 1611055), (419, 765155), (769, 416905), (995, 322211), (2095, 153031), (3845, 83381)]