258568990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{2347}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 486881280

約数和(自身を除く): 228312290

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 479, 958, 2347, 2395, 4694, 4790, 11017, 11735, 22034, 23470, 53981, 55085, 107962, 110170, 269905, 539810, 1124213, 2248426, 5621065, 11242130, 25856899, 51713798, 129284495, 258568990]

約数ペア:

[(1, 258568990), (2, 129284495), (5, 51713798), (10, 25856899), (23, 11242130), (46, 5621065), (115, 2248426), (230, 1124213), (479, 539810), (958, 269905), (2347, 110170), (2395, 107962), (4694, 55085), (4790, 53981), (11017, 23470), (11735, 22034)]