1988491968

素因数分解:

$2^6\times 3^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:260

約数の個数: 252

約数和(自身を含む): 6144374808

約数和(自身を除く): 4155882840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 73, 76, 96, 114, 131, 144, 146, 152, 171, 192, 219, 228, 262, 288, 292, 304, 342, 361, 393, 438, 456, 524, 576, 584, 608, 657, 684, 722, 786, 876, 912, 1048, 1083, 1168, 1179, 1216, 1314, 1368, 1387, 1444, 1572, 1752, 1824, 2096, 2166, 2336, 2358, 2489, 2628, 2736, 2774, 2888, 3144, 3249, 3504, 3648, 4161, 4192, 4332, 4672, 4716, 4978, 5256, 5472, 5548, 5776, 6288, 6498, 7008, 7467, 8322, 8384, 8664, 9432, 9563, 9956, 10512, 10944, 11096, 11552, 12483, 12576, 12996, 14016, 14934, 16644, 17328, 18864, 19126, 19912, 21024, 22192, 22401, 23104, 24966, 25152, 25992, 26353, 28689, 29868, 33288, 34656, 37728, 38252, 39824, 42048, 44384, 44802, 47291, 49932, 51984, 52706, 57378, 59736, 66576, 69312, 75456, 76504, 79059, 79648, 86067, 88768, 89604, 94582, 99864, 103968, 105412, 114756, 119472, 133152, 141873, 153008, 158118, 159296, 172134, 179208, 181697, 189164, 199728, 207936, 210824, 229512, 237177, 238944, 266304, 283746, 306016, 316236, 344268, 358416, 363394, 378328, 399456, 421648, 425619, 459024, 474354, 477888, 545091, 567492, 612032, 632472, 688536, 716832, 726788, 756656, 798912, 843296, 851238, 918048, 948708, 1090182, 1134984, 1264944, 1377072, 1433664, 1453576, 1513312, 1635273, 1686592, 1702476, 1836096, 1897416, 2180364, 2269968, 2529888, 2754144, 2907152, 3026624, 3270546, 3404952, 3452243, 3794832, 4360728, 4539936, 5059776, 5508288, 5814304, 6541092, 6809904, 6904486, 7589664, 8721456, 9079872, 10356729, 11628608, 13082184, 13619808, 13808972, 15179328, 17442912, 20713458, 26164368, 27239616, 27617944, 31070187, 34885824, 41426916, 52328736, 55235888, 62140374, 82853832, 104657472, 110471776, 124280748, 165707664, 220943552, 248561496, 331415328, 497122992, 662830656, 994245984, 1988491968]

約数ペア:

[(1, 1988491968), (2, 994245984), (3, 662830656), (4, 497122992), (6, 331415328), (8, 248561496), (9, 220943552), (12, 165707664), (16, 124280748), (18, 110471776), (19, 104657472), (24, 82853832), (32, 62140374), (36, 55235888), (38, 52328736), (48, 41426916), (57, 34885824), (64, 31070187), (72, 27617944), (73, 27239616), (76, 26164368), (96, 20713458), (114, 17442912), (131, 15179328), (144, 13808972), (146, 13619808), (152, 13082184), (171, 11628608), (192, 10356729), (219, 9079872), (228, 8721456), (262, 7589664), (288, 6904486), (292, 6809904), (304, 6541092), (342, 5814304), (361, 5508288), (393, 5059776), (438, 4539936), (456, 4360728), (524, 3794832), (576, 3452243), (584, 3404952), (608, 3270546), (657, 3026624), (684, 2907152), (722, 2754144), (786, 2529888), (876, 2269968), (912, 2180364), (1048, 1897416), (1083, 1836096), (1168, 1702476), (1179, 1686592), (1216, 1635273), (1314, 1513312), (1368, 1453576), (1387, 1433664), (1444, 1377072), (1572, 1264944), (1752, 1134984), (1824, 1090182), (2096, 948708), (2166, 918048), (2336, 851238), (2358, 843296), (2489, 798912), (2628, 756656), (2736, 726788), (2774, 716832), (2888, 688536), (3144, 632472), (3249, 612032), (3504, 567492), (3648, 545091), (4161, 477888), (4192, 474354), (4332, 459024), (4672, 425619), (4716, 421648), (4978, 399456), (5256, 378328), (5472, 363394), (5548, 358416), (5776, 344268), (6288, 316236), (6498, 306016), (7008, 283746), (7467, 266304), (8322, 238944), (8384, 237177), (8664, 229512), (9432, 210824), (9563, 207936), (9956, 199728), (10512, 189164), (10944, 181697), (11096, 179208), (11552, 172134), (12483, 159296), (12576, 158118), (12996, 153008), (14016, 141873), (14934, 133152), (16644, 119472), (17328, 114756), (18864, 105412), (19126, 103968), (19912, 99864), (21024, 94582), (22192, 89604), (22401, 88768), (23104, 86067), (24966, 79648), (25152, 79059), (25992, 76504), (26353, 75456), (28689, 69312), (29868, 66576), (33288, 59736), (34656, 57378), (37728, 52706), (38252, 51984), (39824, 49932), (42048, 47291), (44384, 44802)]