688390

素因数分解:

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

素因数の和:144

約数の個数: 32

約数和(自身を含む): 1342656

約数和(自身を除く): 654266

約数列:

[1, 2, 5, 10, 23, 41, 46, 73, 82, 115, 146, 205, 230, 365, 410, 730, 943, 1679, 1886, 2993, 3358, 4715, 5986, 8395, 9430, 14965, 16790, 29930, 68839, 137678, 344195, 688390]

約数ペア:

[(1, 688390), (2, 344195), (5, 137678), (10, 68839), (23, 29930), (41, 16790), (46, 14965), (73, 9430), (82, 8395), (115, 5986), (146, 4715), (205, 3358), (230, 2993), (365, 1886), (410, 1679), (730, 943)]