1978810

素因数分解:

$2^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{457}}^1$

素因数の和:897

約数の個数: 16

約数和(自身を含む): 3577896

約数和(自身を除く): 1599086

約数列:

[1, 2, 5, 10, 433, 457, 866, 914, 2165, 2285, 4330, 4570, 197881, 395762, 989405, 1978810]

約数ペア:

[(1, 1978810), (2, 989405), (5, 395762), (10, 197881), (433, 4570), (457, 4330), (866, 2285), (914, 2165)]