2089990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 4368960

約数和(自身を除く): 2278970

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 409, 511, 730, 818, 1022, 2045, 2555, 2863, 4090, 5110, 5726, 14315, 28630, 29857, 59714, 149285, 208999, 298570, 417998, 1044995, 2089990]

約数ペア:

[(1, 2089990), (2, 1044995), (5, 417998), (7, 298570), (10, 208999), (14, 149285), (35, 59714), (70, 29857), (73, 28630), (146, 14315), (365, 5726), (409, 5110), (511, 4090), (730, 2863), (818, 2555), (1022, 2045)]