90103220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{22639}}^1$

素因数の和:22847

約数の個数: 24

約数和(自身を含む): 190176000

約数和(自身を除く): 100072780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 22639, 45278, 90556, 113195, 226390, 452780, 4505161, 9010322, 18020644, 22525805, 45051610, 90103220]

約数ペア:

[(1, 90103220), (2, 45051610), (4, 22525805), (5, 18020644), (10, 9010322), (20, 4505161), (199, 452780), (398, 226390), (796, 113195), (995, 90556), (1990, 45278), (3980, 22639)]