205256620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{540149}}^1$

素因数の和:540177

約数の個数: 24

約数和(自身を含む): 453726000

約数和(自身を除く): 248469380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 540149, 1080298, 2160596, 2700745, 5401490, 10262831, 10802980, 20525662, 41051324, 51314155, 102628310, 205256620]

約数ペア:

[(1, 205256620), (2, 102628310), (4, 51314155), (5, 41051324), (10, 20525662), (19, 10802980), (20, 10262831), (38, 5401490), (76, 2700745), (95, 2160596), (190, 1080298), (380, 540149)]