280845118

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{37139}}^1$

素因数の和:37359

約数の個数: 16

約数和(自身を含む): 445680000

約数和(自身を除く): 164834882

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 37139, 74278, 705641, 1411282, 7390661, 14781322, 140422559, 280845118]

約数ペア:

[(1, 280845118), (2, 140422559), (19, 14781322), (38, 7390661), (199, 1411282), (398, 705641), (3781, 74278), (7562, 37139)]