2444440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2657}}^1$

素因数の和:2691

約数の個数: 32

約数和(自身を含む): 5741280

約数和(自身を除く): 3296840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 2657, 5314, 10628, 13285, 21256, 26570, 53140, 61111, 106280, 122222, 244444, 305555, 488888, 611110, 1222220, 2444440]

約数ペア:

[(1, 2444440), (2, 1222220), (4, 611110), (5, 488888), (8, 305555), (10, 244444), (20, 122222), (23, 106280), (40, 61111), (46, 53140), (92, 26570), (115, 21256), (184, 13285), (230, 10628), (460, 5314), (920, 2657)]