494421820

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{226799}}^1$

素因数の和:226917

約数の個数: 24

約数和(自身を含む): 1047816000

約数和(自身を除く): 553394180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 226799, 453598, 907196, 1133995, 2267990, 4535980, 24721091, 49442182, 98884364, 123605455, 247210910, 494421820]

約数ペア:

[(1, 494421820), (2, 247210910), (4, 123605455), (5, 98884364), (10, 49442182), (20, 24721091), (109, 4535980), (218, 2267990), (436, 1133995), (545, 907196), (1090, 453598), (2180, 226799)]