399912912

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 270

約数和(自身を含む): 1382808258

約数和(自身を除く): 982895346

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 36, 38, 42, 48, 49, 56, 57, 63, 72, 76, 84, 98, 112, 114, 126, 133, 144, 147, 152, 157, 168, 171, 196, 228, 252, 266, 294, 304, 314, 336, 342, 361, 392, 399, 441, 456, 471, 504, 532, 588, 628, 684, 722, 784, 798, 882, 912, 931, 942, 1008, 1064, 1083, 1099, 1176, 1197, 1256, 1368, 1413, 1444, 1596, 1764, 1862, 1884, 2128, 2166, 2198, 2352, 2394, 2512, 2527, 2736, 2793, 2826, 2888, 2983, 3192, 3249, 3297, 3528, 3724, 3768, 4332, 4396, 4788, 5054, 5586, 5652, 5776, 5966, 6384, 6498, 6594, 7056, 7448, 7536, 7581, 7693, 8379, 8664, 8792, 8949, 9576, 9891, 10108, 11172, 11304, 11932, 12996, 13188, 14896, 15162, 15386, 16758, 17328, 17584, 17689, 17898, 19152, 19782, 20216, 20881, 22344, 22608, 22743, 23079, 23864, 25992, 26376, 26847, 30324, 30772, 33516, 35378, 35796, 39564, 40432, 41762, 44688, 45486, 46158, 47728, 51984, 52752, 53067, 53694, 56677, 60648, 61544, 62643, 67032, 69237, 70756, 71592, 79128, 83524, 90972, 92316, 106134, 107388, 113354, 121296, 123088, 125286, 134064, 138474, 141512, 143184, 146167, 158256, 159201, 167048, 170031, 181944, 184632, 187929, 212268, 214776, 226708, 250572, 276948, 283024, 292334, 318402, 334096, 340062, 363888, 369264, 375858, 396739, 424536, 429552, 438501, 453416, 501144, 510093, 553896, 584668, 636804, 680124, 751716, 793478, 849072, 877002, 906832, 1002288, 1020186, 1107792, 1169336, 1190217, 1273608, 1315503, 1360248, 1503432, 1586956, 1754004, 2040372, 2338672, 2380434, 2547216, 2631006, 2720496, 2777173, 3006864, 3173912, 3508008, 3570651, 4080744, 4760868, 5262012, 5554346, 6347824, 7016016, 7141302, 8161488, 8331519, 9521736, 10524024, 11108692, 14282604, 16663038, 19043472, 21048048, 22217384, 24994557, 28565208, 33326076, 44434768, 49989114, 57130416, 66652152, 99978228, 133304304, 199956456, 399912912]

約数ペア:

[(1, 399912912), (2, 199956456), (3, 133304304), (4, 99978228), (6, 66652152), (7, 57130416), (8, 49989114), (9, 44434768), (12, 33326076), (14, 28565208), (16, 24994557), (18, 22217384), (19, 21048048), (21, 19043472), (24, 16663038), (28, 14282604), (36, 11108692), (38, 10524024), (42, 9521736), (48, 8331519), (49, 8161488), (56, 7141302), (57, 7016016), (63, 6347824), (72, 5554346), (76, 5262012), (84, 4760868), (98, 4080744), (112, 3570651), (114, 3508008), (126, 3173912), (133, 3006864), (144, 2777173), (147, 2720496), (152, 2631006), (157, 2547216), (168, 2380434), (171, 2338672), (196, 2040372), (228, 1754004), (252, 1586956), (266, 1503432), (294, 1360248), (304, 1315503), (314, 1273608), (336, 1190217), (342, 1169336), (361, 1107792), (392, 1020186), (399, 1002288), (441, 906832), (456, 877002), (471, 849072), (504, 793478), (532, 751716), (588, 680124), (628, 636804), (684, 584668), (722, 553896), (784, 510093), (798, 501144), (882, 453416), (912, 438501), (931, 429552), (942, 424536), (1008, 396739), (1064, 375858), (1083, 369264), (1099, 363888), (1176, 340062), (1197, 334096), (1256, 318402), (1368, 292334), (1413, 283024), (1444, 276948), (1596, 250572), (1764, 226708), (1862, 214776), (1884, 212268), (2128, 187929), (2166, 184632), (2198, 181944), (2352, 170031), (2394, 167048), (2512, 159201), (2527, 158256), (2736, 146167), (2793, 143184), (2826, 141512), (2888, 138474), (2983, 134064), (3192, 125286), (3249, 123088), (3297, 121296), (3528, 113354), (3724, 107388), (3768, 106134), (4332, 92316), (4396, 90972), (4788, 83524), (5054, 79128), (5586, 71592), (5652, 70756), (5776, 69237), (5966, 67032), (6384, 62643), (6498, 61544), (6594, 60648), (7056, 56677), (7448, 53694), (7536, 53067), (7581, 52752), (7693, 51984), (8379, 47728), (8664, 46158), (8792, 45486), (8949, 44688), (9576, 41762), (9891, 40432), (10108, 39564), (11172, 35796), (11304, 35378), (11932, 33516), (12996, 30772), (13188, 30324), (14896, 26847), (15162, 26376), (15386, 25992), (16758, 23864), (17328, 23079), (17584, 22743), (17689, 22608), (17898, 22344), (19152, 20881), (19782, 20216)]