404385910

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{203209}}^1$

素因数の和:203415

約数の個数: 16

約数和(自身を含む): 731556000

約数和(自身を除く): 327170090

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 203209, 406418, 1016045, 2032090, 40438591, 80877182, 202192955, 404385910]

約数ペア:

[(1, 404385910), (2, 202192955), (5, 80877182), (10, 40438591), (199, 2032090), (398, 1016045), (995, 406418), (1990, 203209)]