211480040

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{15149}}^1$

素因数の和:15509

約数の個数: 32

約数和(自身を含む): 477225000

約数和(自身を除く): 265744960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 15149, 30298, 60596, 75745, 121192, 151490, 302980, 605960, 5287001, 10574002, 21148004, 26435005, 42296008, 52870010, 105740020, 211480040]

約数ペア:

[(1, 211480040), (2, 105740020), (4, 52870010), (5, 42296008), (8, 26435005), (10, 21148004), (20, 10574002), (40, 5287001), (349, 605960), (698, 302980), (1396, 151490), (1745, 121192), (2792, 75745), (3490, 60596), (6980, 30298), (13960, 15149)]