149093180

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{16981}}^1$

素因数の和:17429

約数の個数: 24

約数和(自身を含む): 313827360

約数和(自身を除く): 164734180

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 8780, 16981, 33962, 67924, 84905, 169810, 339620, 7454659, 14909318, 29818636, 37273295, 74546590, 149093180]

約数ペア:

[(1, 149093180), (2, 74546590), (4, 37273295), (5, 29818636), (10, 14909318), (20, 7454659), (439, 339620), (878, 169810), (1756, 84905), (2195, 67924), (4390, 33962), (8780, 16981)]