22988500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2041

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 29427500

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 1999, 2300, 2875, 3998, 5750, 7996, 9995, 11500, 19990, 39980, 45977, 49975, 91954, 99950, 183908, 199900, 229885, 249875, 459770, 499750, 919540, 999500, 1149425, 2298850, 4597700, 5747125, 11494250, 22988500]

約数ペア:

[(1, 22988500), (2, 11494250), (4, 5747125), (5, 4597700), (10, 2298850), (20, 1149425), (23, 999500), (25, 919540), (46, 499750), (50, 459770), (92, 249875), (100, 229885), (115, 199900), (125, 183908), (230, 99950), (250, 91954), (460, 49975), (500, 45977), (575, 39980), (1150, 19990), (1999, 11500), (2300, 9995), (2875, 7996), (3998, 5750)]