68780210

素因数分解:

$2^1\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{3529}}^1$

素因数の和:5485

約数の個数: 16

約数和(自身を含む): 123903000

約数和(自身を除く): 55122790

約数列:

[1, 2, 5, 10, 1949, 3529, 3898, 7058, 9745, 17645, 19490, 35290, 6878021, 13756042, 34390105, 68780210]

約数ペア:

[(1, 68780210), (2, 34390105), (5, 13756042), (10, 6878021), (1949, 35290), (3529, 19490), (3898, 17645), (7058, 9745)]