1999279968

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1154

約数の個数: 288

約数和(自身を含む): 6751309824

約数和(自身を除く): 4752029856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 23, 24, 28, 32, 34, 42, 46, 48, 49, 51, 56, 68, 69, 84, 92, 96, 98, 102, 112, 119, 136, 138, 147, 161, 168, 184, 196, 204, 224, 238, 272, 276, 294, 322, 336, 357, 368, 391, 392, 408, 476, 483, 544, 552, 588, 644, 672, 714, 736, 782, 784, 816, 833, 952, 966, 1087, 1104, 1127, 1173, 1176, 1288, 1428, 1564, 1568, 1632, 1666, 1904, 1932, 2174, 2208, 2254, 2346, 2352, 2499, 2576, 2737, 2856, 3128, 3261, 3332, 3381, 3808, 3864, 4348, 4508, 4692, 4704, 4998, 5152, 5474, 5712, 6256, 6522, 6664, 6762, 7609, 7728, 8211, 8696, 9016, 9384, 9996, 10948, 11424, 12512, 13044, 13328, 13524, 15218, 15456, 16422, 17392, 18032, 18479, 18768, 19159, 19992, 21896, 22827, 25001, 26088, 26656, 27048, 30436, 32844, 34784, 36064, 36958, 37536, 38318, 39984, 43792, 45654, 50002, 52176, 53263, 54096, 55437, 57477, 60872, 65688, 73916, 75003, 76636, 79968, 87584, 91308, 100004, 104352, 106526, 108192, 110874, 114954, 121744, 129353, 131376, 147832, 150006, 153272, 159789, 175007, 182616, 200008, 213052, 221748, 229908, 243488, 258706, 262752, 295664, 300012, 306544, 319578, 350014, 365232, 388059, 400016, 425017, 426104, 443496, 459816, 517412, 525021, 591328, 600024, 613088, 639156, 700028, 730464, 776118, 800032, 850034, 852208, 886992, 905471, 919632, 1034824, 1050042, 1200048, 1225049, 1275051, 1278312, 1400056, 1552236, 1700068, 1704416, 1773984, 1810942, 1839264, 2069648, 2100084, 2400096, 2450098, 2550102, 2556624, 2716413, 2800112, 2975119, 3104472, 3400136, 3621884, 3675147, 4139296, 4200168, 4900196, 5100204, 5113248, 5432826, 5600224, 5950238, 6208944, 6800272, 7243768, 7350294, 8400336, 8925357, 9800392, 10200408, 10865652, 11900476, 12417888, 13600544, 14487536, 14700588, 16800672, 17850714, 19600784, 20400816, 20825833, 21731304, 23800952, 28975072, 29401176, 35701428, 39201568, 40801632, 41651666, 43462608, 47601904, 58802352, 62477499, 71402856, 83303332, 86925216, 95203808, 117604704, 124954998, 142805712, 166606664, 249909996, 285611424, 333213328, 499819992, 666426656, 999639984, 1999279968]

約数ペア:

[(1, 1999279968), (2, 999639984), (3, 666426656), (4, 499819992), (6, 333213328), (7, 285611424), (8, 249909996), (12, 166606664), (14, 142805712), (16, 124954998), (17, 117604704), (21, 95203808), (23, 86925216), (24, 83303332), (28, 71402856), (32, 62477499), (34, 58802352), (42, 47601904), (46, 43462608), (48, 41651666), (49, 40801632), (51, 39201568), (56, 35701428), (68, 29401176), (69, 28975072), (84, 23800952), (92, 21731304), (96, 20825833), (98, 20400816), (102, 19600784), (112, 17850714), (119, 16800672), (136, 14700588), (138, 14487536), (147, 13600544), (161, 12417888), (168, 11900476), (184, 10865652), (196, 10200408), (204, 9800392), (224, 8925357), (238, 8400336), (272, 7350294), (276, 7243768), (294, 6800272), (322, 6208944), (336, 5950238), (357, 5600224), (368, 5432826), (391, 5113248), (392, 5100204), (408, 4900196), (476, 4200168), (483, 4139296), (544, 3675147), (552, 3621884), (588, 3400136), (644, 3104472), (672, 2975119), (714, 2800112), (736, 2716413), (782, 2556624), (784, 2550102), (816, 2450098), (833, 2400096), (952, 2100084), (966, 2069648), (1087, 1839264), (1104, 1810942), (1127, 1773984), (1173, 1704416), (1176, 1700068), (1288, 1552236), (1428, 1400056), (1564, 1278312), (1568, 1275051), (1632, 1225049), (1666, 1200048), (1904, 1050042), (1932, 1034824), (2174, 919632), (2208, 905471), (2254, 886992), (2346, 852208), (2352, 850034), (2499, 800032), (2576, 776118), (2737, 730464), (2856, 700028), (3128, 639156), (3261, 613088), (3332, 600024), (3381, 591328), (3808, 525021), (3864, 517412), (4348, 459816), (4508, 443496), (4692, 426104), (4704, 425017), (4998, 400016), (5152, 388059), (5474, 365232), (5712, 350014), (6256, 319578), (6522, 306544), (6664, 300012), (6762, 295664), (7609, 262752), (7728, 258706), (8211, 243488), (8696, 229908), (9016, 221748), (9384, 213052), (9996, 200008), (10948, 182616), (11424, 175007), (12512, 159789), (13044, 153272), (13328, 150006), (13524, 147832), (15218, 131376), (15456, 129353), (16422, 121744), (17392, 114954), (18032, 110874), (18479, 108192), (18768, 106526), (19159, 104352), (19992, 100004), (21896, 91308), (22827, 87584), (25001, 79968), (26088, 76636), (26656, 75003), (27048, 73916), (30436, 65688), (32844, 60872), (34784, 57477), (36064, 55437), (36958, 54096), (37536, 53263), (38318, 52176), (39984, 50002), (43792, 45654)]