1680190

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{419}}^1$

素因数の和:827

約数の個数: 16

約数和(自身を含む): 3039120

約数和(自身を除く): 1358930

約数列:

[1, 2, 5, 10, 401, 419, 802, 838, 2005, 2095, 4010, 4190, 168019, 336038, 840095, 1680190]

約数ペア:

[(1, 1680190), (2, 840095), (5, 336038), (10, 168019), (401, 4190), (419, 4010), (802, 2095), (838, 2005)]