257883808

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:187

約数の個数: 192

約数和(自身を含む): 677376000

約数和(自身を除く): 419492192

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 59, 76, 79, 91, 104, 112, 118, 133, 152, 158, 182, 208, 224, 236, 247, 266, 304, 316, 364, 413, 416, 472, 494, 532, 553, 608, 632, 728, 767, 826, 944, 988, 1027, 1064, 1106, 1121, 1264, 1456, 1501, 1534, 1652, 1729, 1888, 1976, 2054, 2128, 2212, 2242, 2528, 2912, 3002, 3068, 3304, 3458, 3952, 4108, 4256, 4424, 4484, 4661, 5369, 6004, 6136, 6608, 6916, 7189, 7847, 7904, 8216, 8848, 8968, 9322, 10507, 10738, 12008, 12272, 13216, 13832, 14378, 14573, 15694, 16432, 17696, 17936, 18644, 19513, 21014, 21476, 24016, 24544, 27664, 28756, 29146, 31388, 32627, 32864, 35872, 37288, 39026, 42028, 42952, 48032, 55328, 57512, 58292, 60593, 62776, 65254, 74576, 78052, 84056, 85904, 88559, 102011, 115024, 116584, 121186, 125552, 130508, 136591, 149152, 156104, 168112, 171808, 177118, 204022, 230048, 233168, 242372, 251104, 261016, 273182, 312208, 336224, 354236, 408044, 424151, 466336, 484744, 522032, 546364, 619913, 624416, 708472, 816088, 848302, 969488, 1044064, 1092728, 1151267, 1239826, 1416944, 1632176, 1696604, 1938976, 2185456, 2302534, 2479652, 2833888, 3264352, 3393208, 4370912, 4605068, 4959304, 6786416, 8058869, 9210136, 9918608, 13572832, 16117738, 18420272, 19837216, 32235476, 36840544, 64470952, 128941904, 257883808]

約数ペア:

[(1, 257883808), (2, 128941904), (4, 64470952), (7, 36840544), (8, 32235476), (13, 19837216), (14, 18420272), (16, 16117738), (19, 13572832), (26, 9918608), (28, 9210136), (32, 8058869), (38, 6786416), (52, 4959304), (56, 4605068), (59, 4370912), (76, 3393208), (79, 3264352), (91, 2833888), (104, 2479652), (112, 2302534), (118, 2185456), (133, 1938976), (152, 1696604), (158, 1632176), (182, 1416944), (208, 1239826), (224, 1151267), (236, 1092728), (247, 1044064), (266, 969488), (304, 848302), (316, 816088), (364, 708472), (413, 624416), (416, 619913), (472, 546364), (494, 522032), (532, 484744), (553, 466336), (608, 424151), (632, 408044), (728, 354236), (767, 336224), (826, 312208), (944, 273182), (988, 261016), (1027, 251104), (1064, 242372), (1106, 233168), (1121, 230048), (1264, 204022), (1456, 177118), (1501, 171808), (1534, 168112), (1652, 156104), (1729, 149152), (1888, 136591), (1976, 130508), (2054, 125552), (2128, 121186), (2212, 116584), (2242, 115024), (2528, 102011), (2912, 88559), (3002, 85904), (3068, 84056), (3304, 78052), (3458, 74576), (3952, 65254), (4108, 62776), (4256, 60593), (4424, 58292), (4484, 57512), (4661, 55328), (5369, 48032), (6004, 42952), (6136, 42028), (6608, 39026), (6916, 37288), (7189, 35872), (7847, 32864), (7904, 32627), (8216, 31388), (8848, 29146), (8968, 28756), (9322, 27664), (10507, 24544), (10738, 24016), (12008, 21476), (12272, 21014), (13216, 19513), (13832, 18644), (14378, 17936), (14573, 17696), (15694, 16432)]