218970860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{86209}}^1$

素因数の和:86345

約数の個数: 24

約数和(自身を含む): 463464960

約数和(自身を除く): 244494100

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 86209, 172418, 344836, 431045, 862090, 1724180, 10948543, 21897086, 43794172, 54742715, 109485430, 218970860]

約数ペア:

[(1, 218970860), (2, 109485430), (4, 54742715), (5, 43794172), (10, 21897086), (20, 10948543), (127, 1724180), (254, 862090), (508, 431045), (635, 344836), (1270, 172418), (2540, 86209)]