211716100

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{10639}}^1$

素因数の和:10852

約数の個数: 36

約数和(自身を含む): 461776000

約数和(自身を除く): 250059900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3980, 4975, 9950, 10639, 19900, 21278, 42556, 53195, 106390, 212780, 265975, 531950, 1063900, 2117161, 4234322, 8468644, 10585805, 21171610, 42343220, 52929025, 105858050, 211716100]

約数ペア:

[(1, 211716100), (2, 105858050), (4, 52929025), (5, 42343220), (10, 21171610), (20, 10585805), (25, 8468644), (50, 4234322), (100, 2117161), (199, 1063900), (398, 531950), (796, 265975), (995, 212780), (1990, 106390), (3980, 53195), (4975, 42556), (9950, 21278), (10639, 19900)]