399680512

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:212

約数の個数: 176

約数和(自身を含む): 1030508928

約数和(自身を除く): 630828416

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 64, 74, 77, 88, 112, 128, 137, 148, 154, 176, 224, 256, 259, 274, 296, 308, 352, 407, 448, 512, 518, 548, 592, 616, 704, 814, 896, 959, 1024, 1036, 1096, 1184, 1232, 1408, 1507, 1628, 1792, 1918, 2072, 2192, 2368, 2464, 2816, 2849, 3014, 3256, 3584, 3836, 4144, 4384, 4736, 4928, 5069, 5632, 5698, 6028, 6512, 7168, 7672, 8288, 8768, 9472, 9856, 10138, 10549, 11264, 11396, 12056, 13024, 15344, 16576, 17536, 18944, 19712, 20276, 21098, 22792, 24112, 26048, 30688, 33152, 35072, 35483, 37888, 39424, 40552, 42196, 45584, 48224, 52096, 55759, 61376, 66304, 70144, 70966, 78848, 81104, 84392, 91168, 96448, 104192, 111518, 122752, 132608, 140288, 141932, 162208, 168784, 182336, 192896, 208384, 223036, 245504, 265216, 283864, 324416, 337568, 364672, 385792, 390313, 416768, 446072, 491008, 567728, 648832, 675136, 729344, 771584, 780626, 892144, 982016, 1135456, 1297664, 1350272, 1458688, 1543168, 1561252, 1784288, 2270912, 2595328, 2700544, 2917376, 3122504, 3568576, 4541824, 5190656, 5401088, 6245008, 7137152, 9083648, 10802176, 12490016, 14274304, 18167296, 24980032, 28548608, 36334592, 49960064, 57097216, 99920128, 199840256, 399680512]

約数ペア:

[(1, 399680512), (2, 199840256), (4, 99920128), (7, 57097216), (8, 49960064), (11, 36334592), (14, 28548608), (16, 24980032), (22, 18167296), (28, 14274304), (32, 12490016), (37, 10802176), (44, 9083648), (56, 7137152), (64, 6245008), (74, 5401088), (77, 5190656), (88, 4541824), (112, 3568576), (128, 3122504), (137, 2917376), (148, 2700544), (154, 2595328), (176, 2270912), (224, 1784288), (256, 1561252), (259, 1543168), (274, 1458688), (296, 1350272), (308, 1297664), (352, 1135456), (407, 982016), (448, 892144), (512, 780626), (518, 771584), (548, 729344), (592, 675136), (616, 648832), (704, 567728), (814, 491008), (896, 446072), (959, 416768), (1024, 390313), (1036, 385792), (1096, 364672), (1184, 337568), (1232, 324416), (1408, 283864), (1507, 265216), (1628, 245504), (1792, 223036), (1918, 208384), (2072, 192896), (2192, 182336), (2368, 168784), (2464, 162208), (2816, 141932), (2849, 140288), (3014, 132608), (3256, 122752), (3584, 111518), (3836, 104192), (4144, 96448), (4384, 91168), (4736, 84392), (4928, 81104), (5069, 78848), (5632, 70966), (5698, 70144), (6028, 66304), (6512, 61376), (7168, 55759), (7672, 52096), (8288, 48224), (8768, 45584), (9472, 42196), (9856, 40552), (10138, 39424), (10549, 37888), (11264, 35483), (11396, 35072), (12056, 33152), (13024, 30688), (15344, 26048), (16576, 24112), (17536, 22792), (18944, 21098), (19712, 20276)]