28481900

素因数分解:

$2^2\times 5^2\times {\mathrm{284819}}^1$

素因数の和:284833

約数の個数: 18

約数和(自身を含む): 61805940

約数和(自身を除く): 33324040

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 284819, 569638, 1139276, 1424095, 2848190, 5696380, 7120475, 14240950, 28481900]

約数ペア:

[(1, 28481900), (2, 14240950), (4, 7120475), (5, 5696380), (10, 2848190), (20, 1424095), (25, 1139276), (50, 569638), (100, 284819)]