28842940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206021}}^1$

素因数の和:206037

約数の個数: 24

約数和(自身を含む): 69223392

約数和(自身を除く): 40380452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206021, 412042, 824084, 1030105, 1442147, 2060210, 2884294, 4120420, 5768588, 7210735, 14421470, 28842940]

約数ペア:

[(1, 28842940), (2, 14421470), (4, 7210735), (5, 5768588), (7, 4120420), (10, 2884294), (14, 2060210), (20, 1442147), (28, 1030105), (35, 824084), (70, 412042), (140, 206021)]