309442820

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{55061}}^1$

素因数の和:55351

約数の個数: 24

約数和(自身を含む): 652154328

約数和(自身を除く): 342711508

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 55061, 110122, 220244, 275305, 550610, 1101220, 15472141, 30944282, 61888564, 77360705, 154721410, 309442820]

約数ペア:

[(1, 309442820), (2, 154721410), (4, 77360705), (5, 61888564), (10, 30944282), (20, 15472141), (281, 1101220), (562, 550610), (1124, 275305), (1405, 220244), (2810, 110122), (5620, 55061)]