204862960

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 80

約数和(自身を含む): 496173600

約数和(自身を除く): 291310640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 227, 232, 290, 389, 454, 464, 580, 778, 908, 1135, 1160, 1556, 1816, 1945, 2270, 2320, 3112, 3632, 3890, 4540, 6224, 6583, 7780, 9080, 11281, 13166, 15560, 18160, 22562, 26332, 31120, 32915, 45124, 52664, 56405, 65830, 88303, 90248, 105328, 112810, 131660, 176606, 180496, 225620, 263320, 353212, 441515, 451240, 526640, 706424, 883030, 902480, 1412848, 1766060, 2560787, 3532120, 5121574, 7064240, 10243148, 12803935, 20486296, 25607870, 40972592, 51215740, 102431480, 204862960]

約数ペア:

[(1, 204862960), (2, 102431480), (4, 51215740), (5, 40972592), (8, 25607870), (10, 20486296), (16, 12803935), (20, 10243148), (29, 7064240), (40, 5121574), (58, 3532120), (80, 2560787), (116, 1766060), (145, 1412848), (227, 902480), (232, 883030), (290, 706424), (389, 526640), (454, 451240), (464, 441515), (580, 353212), (778, 263320), (908, 225620), (1135, 180496), (1160, 176606), (1556, 131660), (1816, 112810), (1945, 105328), (2270, 90248), (2320, 88303), (3112, 65830), (3632, 56405), (3890, 52664), (4540, 45124), (6224, 32915), (6583, 31120), (7780, 26332), (9080, 22562), (11281, 18160), (13166, 15560)]