1988433920

素因数分解:

$2^{11}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:304

約数の個数: 192

約数和(自身を含む): 5283532800

約数和(自身を除く): 3295098880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 127, 128, 139, 160, 176, 220, 254, 256, 278, 320, 352, 440, 508, 512, 556, 635, 640, 695, 704, 880, 1016, 1024, 1112, 1270, 1280, 1390, 1397, 1408, 1529, 1760, 2032, 2048, 2224, 2540, 2560, 2780, 2794, 2816, 3058, 3520, 4064, 4448, 5080, 5120, 5560, 5588, 5632, 6116, 6985, 7040, 7645, 8128, 8896, 10160, 10240, 11120, 11176, 11264, 12232, 13970, 14080, 15290, 16256, 17653, 17792, 20320, 22240, 22352, 22528, 24464, 27940, 28160, 30580, 32512, 35306, 35584, 40640, 44480, 44704, 48928, 55880, 56320, 61160, 65024, 70612, 71168, 81280, 88265, 88960, 89408, 97856, 111760, 112640, 122320, 130048, 141224, 142336, 162560, 176530, 177920, 178816, 194183, 195712, 223520, 244640, 260096, 282448, 284672, 325120, 353060, 355840, 357632, 388366, 391424, 447040, 489280, 564896, 650240, 706120, 711680, 715264, 776732, 782848, 894080, 970915, 978560, 1129792, 1300480, 1412240, 1423360, 1430528, 1553464, 1565696, 1788160, 1941830, 1957120, 2259584, 2824480, 2861056, 3106928, 3131392, 3576320, 3883660, 3914240, 4519168, 5648960, 6213856, 7152640, 7767320, 7828480, 9038336, 11297920, 12427712, 14305280, 15534640, 15656960, 18076672, 22595840, 24855424, 31069280, 36153344, 45191680, 49710848, 62138560, 90383360, 99421696, 124277120, 180766720, 198843392, 248554240, 397686784, 497108480, 994216960, 1988433920]

約数ペア:

[(1, 1988433920), (2, 994216960), (4, 497108480), (5, 397686784), (8, 248554240), (10, 198843392), (11, 180766720), (16, 124277120), (20, 99421696), (22, 90383360), (32, 62138560), (40, 49710848), (44, 45191680), (55, 36153344), (64, 31069280), (80, 24855424), (88, 22595840), (110, 18076672), (127, 15656960), (128, 15534640), (139, 14305280), (160, 12427712), (176, 11297920), (220, 9038336), (254, 7828480), (256, 7767320), (278, 7152640), (320, 6213856), (352, 5648960), (440, 4519168), (508, 3914240), (512, 3883660), (556, 3576320), (635, 3131392), (640, 3106928), (695, 2861056), (704, 2824480), (880, 2259584), (1016, 1957120), (1024, 1941830), (1112, 1788160), (1270, 1565696), (1280, 1553464), (1390, 1430528), (1397, 1423360), (1408, 1412240), (1529, 1300480), (1760, 1129792), (2032, 978560), (2048, 970915), (2224, 894080), (2540, 782848), (2560, 776732), (2780, 715264), (2794, 711680), (2816, 706120), (3058, 650240), (3520, 564896), (4064, 489280), (4448, 447040), (5080, 391424), (5120, 388366), (5560, 357632), (5588, 355840), (5632, 353060), (6116, 325120), (6985, 284672), (7040, 282448), (7645, 260096), (8128, 244640), (8896, 223520), (10160, 195712), (10240, 194183), (11120, 178816), (11176, 177920), (11264, 176530), (12232, 162560), (13970, 142336), (14080, 141224), (15290, 130048), (16256, 122320), (17653, 112640), (17792, 111760), (20320, 97856), (22240, 89408), (22352, 88960), (22528, 88265), (24464, 81280), (27940, 71168), (28160, 70612), (30580, 65024), (32512, 61160), (35306, 56320), (35584, 55880), (40640, 48928), (44480, 44704)]