221960200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 288

約数和(自身を含む): 687009600

約数和(自身を除く): 465049400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 29, 35, 40, 44, 49, 50, 55, 56, 58, 70, 71, 77, 88, 98, 100, 110, 116, 140, 142, 145, 154, 175, 196, 200, 203, 220, 232, 245, 275, 280, 284, 290, 308, 319, 350, 355, 385, 392, 406, 440, 490, 497, 539, 550, 568, 580, 616, 638, 700, 710, 725, 770, 781, 812, 980, 994, 1015, 1078, 1100, 1160, 1225, 1276, 1400, 1420, 1421, 1450, 1540, 1562, 1595, 1624, 1775, 1925, 1960, 1988, 2030, 2059, 2156, 2200, 2233, 2450, 2485, 2552, 2695, 2840, 2842, 2900, 3080, 3124, 3190, 3479, 3550, 3850, 3905, 3976, 4060, 4118, 4312, 4466, 4900, 4970, 5075, 5390, 5467, 5684, 5800, 6248, 6380, 6958, 7100, 7105, 7700, 7810, 7975, 8120, 8236, 8932, 9800, 9940, 10150, 10295, 10780, 10934, 11165, 11368, 12425, 12760, 13475, 13916, 14200, 14210, 14413, 15400, 15620, 15631, 15950, 16472, 17395, 17864, 19525, 19880, 20300, 20590, 21560, 21868, 22330, 22649, 24850, 26950, 27335, 27832, 28420, 28826, 31240, 31262, 31900, 34790, 35525, 38269, 39050, 40600, 41180, 43736, 44660, 45298, 49700, 51475, 53900, 54670, 55825, 56840, 57652, 62524, 63800, 69580, 71050, 72065, 76538, 78100, 78155, 82360, 86975, 89320, 90596, 99400, 100891, 102950, 107800, 109340, 111650, 113245, 115304, 125048, 136675, 139160, 142100, 144130, 153076, 156200, 156310, 158543, 173950, 181192, 191345, 201782, 205900, 218680, 223300, 226490, 273350, 284200, 288260, 306152, 312620, 317086, 347900, 360325, 382690, 390775, 403564, 411800, 446600, 452980, 504455, 546700, 566225, 576520, 625240, 634172, 695800, 720650, 765380, 781550, 792715, 807128, 905960, 956725, 1008910, 1093400, 1109801, 1132450, 1268344, 1441300, 1530760, 1563100, 1585430, 1913450, 2017820, 2219602, 2264900, 2522275, 2882600, 3126200, 3170860, 3826900, 3963575, 4035640, 4439204, 4529800, 5044550, 5549005, 6341720, 7653800, 7927150, 8878408, 10089100, 11098010, 15854300, 20178200, 22196020, 27745025, 31708600, 44392040, 55490050, 110980100, 221960200]

約数ペア:

[(1, 221960200), (2, 110980100), (4, 55490050), (5, 44392040), (7, 31708600), (8, 27745025), (10, 22196020), (11, 20178200), (14, 15854300), (20, 11098010), (22, 10089100), (25, 8878408), (28, 7927150), (29, 7653800), (35, 6341720), (40, 5549005), (44, 5044550), (49, 4529800), (50, 4439204), (55, 4035640), (56, 3963575), (58, 3826900), (70, 3170860), (71, 3126200), (77, 2882600), (88, 2522275), (98, 2264900), (100, 2219602), (110, 2017820), (116, 1913450), (140, 1585430), (142, 1563100), (145, 1530760), (154, 1441300), (175, 1268344), (196, 1132450), (200, 1109801), (203, 1093400), (220, 1008910), (232, 956725), (245, 905960), (275, 807128), (280, 792715), (284, 781550), (290, 765380), (308, 720650), (319, 695800), (350, 634172), (355, 625240), (385, 576520), (392, 566225), (406, 546700), (440, 504455), (490, 452980), (497, 446600), (539, 411800), (550, 403564), (568, 390775), (580, 382690), (616, 360325), (638, 347900), (700, 317086), (710, 312620), (725, 306152), (770, 288260), (781, 284200), (812, 273350), (980, 226490), (994, 223300), (1015, 218680), (1078, 205900), (1100, 201782), (1160, 191345), (1225, 181192), (1276, 173950), (1400, 158543), (1420, 156310), (1421, 156200), (1450, 153076), (1540, 144130), (1562, 142100), (1595, 139160), (1624, 136675), (1775, 125048), (1925, 115304), (1960, 113245), (1988, 111650), (2030, 109340), (2059, 107800), (2156, 102950), (2200, 100891), (2233, 99400), (2450, 90596), (2485, 89320), (2552, 86975), (2695, 82360), (2840, 78155), (2842, 78100), (2900, 76538), (3080, 72065), (3124, 71050), (3190, 69580), (3479, 63800), (3550, 62524), (3850, 57652), (3905, 56840), (3976, 55825), (4060, 54670), (4118, 53900), (4312, 51475), (4466, 49700), (4900, 45298), (4970, 44660), (5075, 43736), (5390, 41180), (5467, 40600), (5684, 39050), (5800, 38269), (6248, 35525), (6380, 34790), (6958, 31900), (7100, 31262), (7105, 31240), (7700, 28826), (7810, 28420), (7975, 27832), (8120, 27335), (8236, 26950), (8932, 24850), (9800, 22649), (9940, 22330), (10150, 21868), (10295, 21560), (10780, 20590), (10934, 20300), (11165, 19880), (11368, 19525), (12425, 17864), (12760, 17395), (13475, 16472), (13916, 15950), (14200, 15631), (14210, 15620), (14413, 15400)]