28279867820

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{373}}^1\times {\mathrm{10739}}^1$

素因数の和:11474

約数の個数: 48

約数和(自身を含む): 59721187680

約数和(自身を除く): 31441319860

約数列:

[1, 2, 4, 5, 10, 20, 353, 373, 706, 746, 1412, 1492, 1765, 1865, 3530, 3730, 7060, 7460, 10739, 21478, 42956, 53695, 107390, 131669, 214780, 263338, 526676, 658345, 1316690, 2633380, 3790867, 4005647, 7581734, 8011294, 15163468, 16022588, 18954335, 20028235, 37908670, 40056470, 75817340, 80112940, 1413993391, 2827986782, 5655973564, 7069966955, 14139933910, 28279867820]

約数ペア:

[(1, 28279867820), (2, 14139933910), (4, 7069966955), (5, 5655973564), (10, 2827986782), (20, 1413993391), (353, 80112940), (373, 75817340), (706, 40056470), (746, 37908670), (1412, 20028235), (1492, 18954335), (1765, 16022588), (1865, 15163468), (3530, 8011294), (3730, 7581734), (7060, 4005647), (7460, 3790867), (10739, 2633380), (21478, 1316690), (42956, 658345), (53695, 526676), (107390, 263338), (131669, 214780)]