280145704

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 559912500

約数和(自身を除く): 279766796

約数列:

[1, 2, 4, 8, 23, 46, 53, 92, 106, 184, 212, 424, 529, 1058, 1219, 1249, 2116, 2438, 2498, 4232, 4876, 4996, 9752, 9992, 28037, 28727, 56074, 57454, 66197, 112148, 114908, 132394, 224296, 229816, 264788, 529576, 660721, 1321442, 1522531, 2642884, 3045062, 5285768, 6090124, 12180248, 35018213, 70036426, 140072852, 280145704]

約数ペア:

[(1, 280145704), (2, 140072852), (4, 70036426), (8, 35018213), (23, 12180248), (46, 6090124), (53, 5285768), (92, 3045062), (106, 2642884), (184, 1522531), (212, 1321442), (424, 660721), (529, 529576), (1058, 264788), (1219, 229816), (1249, 224296), (2116, 132394), (2438, 114908), (2498, 112148), (4232, 66197), (4876, 57454), (4996, 56074), (9752, 28727), (9992, 28037)]