217175080

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{42751}}^1$

素因数の和:42889

約数の個数: 32

約数和(自身を含む): 492503040

約数和(自身を除く): 275327960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 42751, 85502, 171004, 213755, 342008, 427510, 855020, 1710040, 5429377, 10858754, 21717508, 27146885, 43435016, 54293770, 108587540, 217175080]

約数ペア:

[(1, 217175080), (2, 108587540), (4, 54293770), (5, 43435016), (8, 27146885), (10, 21717508), (20, 10858754), (40, 5429377), (127, 1710040), (254, 855020), (508, 427510), (635, 342008), (1016, 213755), (1270, 171004), (2540, 85502), (5080, 42751)]