1990250

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 3931200

約数和(自身を除く): 1940950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 419, 475, 838, 950, 2095, 2375, 4190, 4750, 7961, 10475, 15922, 20950, 39805, 52375, 79610, 104750, 199025, 398050, 995125, 1990250]

約数ペア:

[(1, 1990250), (2, 995125), (5, 398050), (10, 199025), (19, 104750), (25, 79610), (38, 52375), (50, 39805), (95, 20950), (125, 15922), (190, 10475), (250, 7961), (419, 4750), (475, 4190), (838, 2375), (950, 2095)]