30386140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89371}}^1$

素因数の和:89397

約数の個数: 24

約数和(自身を含む): 67565232

約数和(自身を除く): 37179092

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 89371, 178742, 357484, 446855, 893710, 1519307, 1787420, 3038614, 6077228, 7596535, 15193070, 30386140]

約数ペア:

[(1, 30386140), (2, 15193070), (4, 7596535), (5, 6077228), (10, 3038614), (17, 1787420), (20, 1519307), (34, 893710), (68, 446855), (85, 357484), (170, 178742), (340, 89371)]