17990210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257003}}^1$

素因数の和:257017

約数の個数: 16

約数和(自身を含む): 37008576

約数和(自身を除く): 19018366

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257003, 514006, 1285015, 1799021, 2570030, 3598042, 8995105, 17990210]

約数ペア:

[(1, 17990210), (2, 8995105), (5, 3598042), (7, 2570030), (10, 1799021), (14, 1285015), (35, 514006), (70, 257003)]