1971110

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{449}}^1$

素因数の和:895

約数の個数: 16

約数和(自身を含む): 3564000

約数和(自身を除く): 1592890

約数列:

[1, 2, 5, 10, 439, 449, 878, 898, 2195, 2245, 4390, 4490, 197111, 394222, 985555, 1971110]

約数ペア:

[(1, 1971110), (2, 985555), (5, 394222), (10, 197111), (439, 4490), (449, 4390), (878, 2245), (898, 2195)]