919540

素因数分解:

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

素因数の和:2031

約数の個数: 24

約数和(自身を含む): 2016000

約数和(自身を除く): 1096460

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1999, 3998, 7996, 9995, 19990, 39980, 45977, 91954, 183908, 229885, 459770, 919540]

約数ペア:

[(1, 919540), (2, 459770), (4, 229885), (5, 183908), (10, 91954), (20, 45977), (23, 39980), (46, 19990), (92, 9995), (115, 7996), (230, 3998), (460, 1999)]