398423565530

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{200212847}}^1$

素因数の和:200213053

約数の個数: 16

約数和(自身を含む): 720766252800

約数和(自身を除く): 322342687270

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 200212847, 400425694, 1001064235, 2002128470, 39842356553, 79684713106, 199211782765, 398423565530]

約数ペア:

[(1, 398423565530), (2, 199211782765), (5, 79684713106), (10, 39842356553), (199, 2002128470), (398, 1001064235), (995, 400425694), (1990, 200212847)]