289787590

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^2\times {\mathrm{17239}}^1$

素因数の和:17328

約数の個数: 24

約数和(自身を含む): 534681360

約数和(自身を除く): 244893770

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1681, 3362, 8405, 16810, 17239, 34478, 86195, 172390, 706799, 1413598, 3533995, 7067990, 28978759, 57957518, 144893795, 289787590]

約数ペア:

[(1, 289787590), (2, 144893795), (5, 57957518), (10, 28978759), (41, 7067990), (82, 3533995), (205, 1413598), (410, 706799), (1681, 172390), (3362, 86195), (8405, 34478), (16810, 17239)]