221127280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4259}}^1$

素因数の和:4342

約数の個数: 80

約数和(自身を含む): 570499200

約数和(自身を除く): 349371920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2596, 3245, 4259, 4720, 5192, 6490, 8518, 10384, 12980, 17036, 21295, 25960, 34072, 42590, 46849, 51920, 68144, 85180, 93698, 170360, 187396, 234245, 251281, 340720, 374792, 468490, 502562, 749584, 936980, 1005124, 1256405, 1873960, 2010248, 2512810, 2764091, 3747920, 4020496, 5025620, 5528182, 10051240, 11056364, 13820455, 20102480, 22112728, 27640910, 44225456, 55281820, 110563640, 221127280]

約数ペア:

[(1, 221127280), (2, 110563640), (4, 55281820), (5, 44225456), (8, 27640910), (10, 22112728), (11, 20102480), (16, 13820455), (20, 11056364), (22, 10051240), (40, 5528182), (44, 5025620), (55, 4020496), (59, 3747920), (80, 2764091), (88, 2512810), (110, 2010248), (118, 1873960), (176, 1256405), (220, 1005124), (236, 936980), (295, 749584), (440, 502562), (472, 468490), (590, 374792), (649, 340720), (880, 251281), (944, 234245), (1180, 187396), (1298, 170360), (2360, 93698), (2596, 85180), (3245, 68144), (4259, 51920), (4720, 46849), (5192, 42590), (6490, 34072), (8518, 25960), (10384, 21295), (12980, 17036)]