229257520

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 548000640

約数和(自身を除く): 318743120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 109, 122, 218, 244, 305, 431, 436, 488, 545, 610, 862, 872, 976, 1090, 1220, 1724, 1744, 2155, 2180, 2440, 3448, 4310, 4360, 4880, 6649, 6896, 8620, 8720, 13298, 17240, 26291, 26596, 33245, 34480, 46979, 52582, 53192, 66490, 93958, 105164, 106384, 131455, 132980, 187916, 210328, 234895, 262910, 265960, 375832, 420656, 469790, 525820, 531920, 751664, 939580, 1051640, 1879160, 2103280, 2865719, 3758320, 5731438, 11462876, 14328595, 22925752, 28657190, 45851504, 57314380, 114628760, 229257520]

約数ペア:

[(1, 229257520), (2, 114628760), (4, 57314380), (5, 45851504), (8, 28657190), (10, 22925752), (16, 14328595), (20, 11462876), (40, 5731438), (61, 3758320), (80, 2865719), (109, 2103280), (122, 1879160), (218, 1051640), (244, 939580), (305, 751664), (431, 531920), (436, 525820), (488, 469790), (545, 420656), (610, 375832), (862, 265960), (872, 262910), (976, 234895), (1090, 210328), (1220, 187916), (1724, 132980), (1744, 131455), (2155, 106384), (2180, 105164), (2440, 93958), (3448, 66490), (4310, 53192), (4360, 52582), (4880, 46979), (6649, 34480), (6896, 33245), (8620, 26596), (8720, 26291), (13298, 17240)]