208022120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1307}}^1$

素因数の和:1514

約数の個数: 64

約数和(自身を含む): 491598720

約数和(自身を除く): 283576600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 173, 184, 230, 346, 460, 692, 865, 920, 1307, 1384, 1730, 2614, 3460, 3979, 5228, 6535, 6920, 7958, 10456, 13070, 15916, 19895, 26140, 30061, 31832, 39790, 52280, 60122, 79580, 120244, 150305, 159160, 226111, 240488, 300610, 452222, 601220, 904444, 1130555, 1202440, 1808888, 2261110, 4522220, 5200553, 9044440, 10401106, 20802212, 26002765, 41604424, 52005530, 104011060, 208022120]

約数ペア:

[(1, 208022120), (2, 104011060), (4, 52005530), (5, 41604424), (8, 26002765), (10, 20802212), (20, 10401106), (23, 9044440), (40, 5200553), (46, 4522220), (92, 2261110), (115, 1808888), (173, 1202440), (184, 1130555), (230, 904444), (346, 601220), (460, 452222), (692, 300610), (865, 240488), (920, 226111), (1307, 159160), (1384, 150305), (1730, 120244), (2614, 79580), (3460, 60122), (3979, 52280), (5228, 39790), (6535, 31832), (6920, 30061), (7958, 26140), (10456, 19895), (13070, 15916)]