254335930

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{127807}}^1$

素因数の和:128013

約数の個数: 16

約数和(自身を含む): 460108800

約数和(自身を除く): 205772870

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 127807, 255614, 639035, 1278070, 25433593, 50867186, 127167965, 254335930]

約数ペア:

[(1, 254335930), (2, 127167965), (5, 50867186), (10, 25433593), (199, 1278070), (398, 639035), (995, 255614), (1990, 127807)]