400547840

素因数分解:

$2^{13}\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1$

素因数の和:176

約数の個数: 224

約数和(自身を含む): 1207885824

約数和(自身を除く): 807337984

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 127, 128, 140, 154, 160, 176, 220, 224, 254, 256, 280, 308, 320, 352, 385, 440, 448, 508, 512, 560, 616, 635, 640, 704, 770, 880, 889, 896, 1016, 1024, 1120, 1232, 1270, 1280, 1397, 1408, 1540, 1760, 1778, 1792, 2032, 2048, 2240, 2464, 2540, 2560, 2794, 2816, 3080, 3520, 3556, 3584, 4064, 4096, 4445, 4480, 4928, 5080, 5120, 5588, 5632, 6160, 6985, 7040, 7112, 7168, 8128, 8192, 8890, 8960, 9779, 9856, 10160, 10240, 11176, 11264, 12320, 13970, 14080, 14224, 14336, 16256, 17780, 17920, 19558, 19712, 20320, 20480, 22352, 22528, 24640, 27940, 28160, 28448, 28672, 32512, 35560, 35840, 39116, 39424, 40640, 40960, 44704, 45056, 48895, 49280, 55880, 56320, 56896, 57344, 65024, 71120, 71680, 78232, 78848, 81280, 89408, 90112, 97790, 98560, 111760, 112640, 113792, 130048, 142240, 143360, 156464, 157696, 162560, 178816, 195580, 197120, 223520, 225280, 227584, 260096, 284480, 286720, 312928, 315392, 325120, 357632, 391160, 394240, 447040, 450560, 455168, 520192, 568960, 625856, 630784, 650240, 715264, 782320, 788480, 894080, 910336, 1040384, 1137920, 1251712, 1300480, 1430528, 1564640, 1576960, 1788160, 1820672, 2275840, 2503424, 2600960, 2861056, 3129280, 3153920, 3576320, 3641344, 4551680, 5006848, 5201920, 5722112, 6258560, 7152640, 7282688, 9103360, 10013696, 11444224, 12517120, 14305280, 18206720, 20027392, 25034240, 28610560, 36413440, 40054784, 50068480, 57221120, 80109568, 100136960, 200273920, 400547840]

約数ペア:

[(1, 400547840), (2, 200273920), (4, 100136960), (5, 80109568), (7, 57221120), (8, 50068480), (10, 40054784), (11, 36413440), (14, 28610560), (16, 25034240), (20, 20027392), (22, 18206720), (28, 14305280), (32, 12517120), (35, 11444224), (40, 10013696), (44, 9103360), (55, 7282688), (56, 7152640), (64, 6258560), (70, 5722112), (77, 5201920), (80, 5006848), (88, 4551680), (110, 3641344), (112, 3576320), (127, 3153920), (128, 3129280), (140, 2861056), (154, 2600960), (160, 2503424), (176, 2275840), (220, 1820672), (224, 1788160), (254, 1576960), (256, 1564640), (280, 1430528), (308, 1300480), (320, 1251712), (352, 1137920), (385, 1040384), (440, 910336), (448, 894080), (508, 788480), (512, 782320), (560, 715264), (616, 650240), (635, 630784), (640, 625856), (704, 568960), (770, 520192), (880, 455168), (889, 450560), (896, 447040), (1016, 394240), (1024, 391160), (1120, 357632), (1232, 325120), (1270, 315392), (1280, 312928), (1397, 286720), (1408, 284480), (1540, 260096), (1760, 227584), (1778, 225280), (1792, 223520), (2032, 197120), (2048, 195580), (2240, 178816), (2464, 162560), (2540, 157696), (2560, 156464), (2794, 143360), (2816, 142240), (3080, 130048), (3520, 113792), (3556, 112640), (3584, 111760), (4064, 98560), (4096, 97790), (4445, 90112), (4480, 89408), (4928, 81280), (5080, 78848), (5120, 78232), (5588, 71680), (5632, 71120), (6160, 65024), (6985, 57344), (7040, 56896), (7112, 56320), (7168, 55880), (8128, 49280), (8192, 48895), (8890, 45056), (8960, 44704), (9779, 40960), (9856, 40640), (10160, 39424), (10240, 39116), (11176, 35840), (11264, 35560), (12320, 32512), (13970, 28672), (14080, 28448), (14224, 28160), (14336, 27940), (16256, 24640), (17780, 22528), (17920, 22352), (19558, 20480), (19712, 20320)]