28223990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 55080864

約数和(自身を除く): 26856874

約数列:

[1, 2, 5, 10, 23, 41, 46, 73, 82, 115, 146, 205, 230, 365, 410, 730, 943, 1679, 1681, 1886, 2993, 3358, 3362, 4715, 5986, 8395, 8405, 9430, 14965, 16790, 16810, 29930, 38663, 68839, 77326, 122713, 137678, 193315, 245426, 344195, 386630, 613565, 688390, 1227130, 2822399, 5644798, 14111995, 28223990]

約数ペア:

[(1, 28223990), (2, 14111995), (5, 5644798), (10, 2822399), (23, 1227130), (41, 688390), (46, 613565), (73, 386630), (82, 344195), (115, 245426), (146, 193315), (205, 137678), (230, 122713), (365, 77326), (410, 68839), (730, 38663), (943, 29930), (1679, 16810), (1681, 16790), (1886, 14965), (2993, 9430), (3358, 8405), (3362, 8395), (4715, 5986)]