208535020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{11057}}^1$

素因数の和:11130

約数の個数: 48

約数和(自身を含む): 468151488

約数和(自身を除く): 259616468

約数列:

[1, 2, 4, 5, 10, 20, 23, 41, 46, 82, 92, 115, 164, 205, 230, 410, 460, 820, 943, 1886, 3772, 4715, 9430, 11057, 18860, 22114, 44228, 55285, 110570, 221140, 254311, 453337, 508622, 906674, 1017244, 1271555, 1813348, 2266685, 2543110, 4533370, 5086220, 9066740, 10426751, 20853502, 41707004, 52133755, 104267510, 208535020]

約数ペア:

[(1, 208535020), (2, 104267510), (4, 52133755), (5, 41707004), (10, 20853502), (20, 10426751), (23, 9066740), (41, 5086220), (46, 4533370), (82, 2543110), (92, 2266685), (115, 1813348), (164, 1271555), (205, 1017244), (230, 906674), (410, 508622), (460, 453337), (820, 254311), (943, 221140), (1886, 110570), (3772, 55285), (4715, 44228), (9430, 22114), (11057, 18860)]