1999321344

素因数分解:

$2^8\times 3^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:605

約数の個数: 216

約数和(自身を含む): 6058416000

約数和(自身を除く): 4059094656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 47, 48, 64, 72, 74, 94, 96, 111, 128, 141, 144, 148, 188, 192, 222, 256, 282, 288, 296, 333, 376, 384, 423, 444, 499, 564, 576, 592, 666, 752, 768, 846, 888, 998, 1128, 1152, 1184, 1332, 1497, 1504, 1692, 1739, 1776, 1996, 2256, 2304, 2368, 2664, 2994, 3008, 3384, 3478, 3552, 3992, 4491, 4512, 4736, 5217, 5328, 5988, 6016, 6768, 6956, 7104, 7984, 8982, 9024, 9472, 10434, 10656, 11976, 12032, 13536, 13912, 14208, 15651, 15968, 17964, 18048, 18463, 20868, 21312, 23453, 23952, 27072, 27824, 28416, 31302, 31936, 35928, 36096, 36926, 41736, 42624, 46906, 47904, 54144, 55389, 55648, 62604, 63872, 70359, 71856, 73852, 83472, 85248, 93812, 95808, 108288, 110778, 111296, 125208, 127744, 140718, 143712, 147704, 166167, 166944, 187624, 191616, 211077, 221556, 222592, 250416, 281436, 287424, 295408, 332334, 333888, 375248, 383232, 422154, 443112, 445184, 500832, 562872, 574848, 590816, 664668, 667776, 750496, 844308, 867761, 886224, 1001664, 1125744, 1149696, 1181632, 1329336, 1335552, 1500992, 1688616, 1735522, 1772448, 2003328, 2251488, 2363264, 2603283, 2658672, 3001984, 3377232, 3471044, 3544896, 4006656, 4502976, 4726528, 5206566, 5317344, 6003968, 6754464, 6942088, 7089792, 7809849, 9005952, 10413132, 10634688, 13508928, 13884176, 14179584, 15619698, 18011904, 20826264, 21269376, 27017856, 27768352, 31239396, 41652528, 42538752, 54035712, 55536704, 62478792, 83305056, 111073408, 124957584, 166610112, 222146816, 249915168, 333220224, 499830336, 666440448, 999660672, 1999321344]

約数ペア:

[(1, 1999321344), (2, 999660672), (3, 666440448), (4, 499830336), (6, 333220224), (8, 249915168), (9, 222146816), (12, 166610112), (16, 124957584), (18, 111073408), (24, 83305056), (32, 62478792), (36, 55536704), (37, 54035712), (47, 42538752), (48, 41652528), (64, 31239396), (72, 27768352), (74, 27017856), (94, 21269376), (96, 20826264), (111, 18011904), (128, 15619698), (141, 14179584), (144, 13884176), (148, 13508928), (188, 10634688), (192, 10413132), (222, 9005952), (256, 7809849), (282, 7089792), (288, 6942088), (296, 6754464), (333, 6003968), (376, 5317344), (384, 5206566), (423, 4726528), (444, 4502976), (499, 4006656), (564, 3544896), (576, 3471044), (592, 3377232), (666, 3001984), (752, 2658672), (768, 2603283), (846, 2363264), (888, 2251488), (998, 2003328), (1128, 1772448), (1152, 1735522), (1184, 1688616), (1332, 1500992), (1497, 1335552), (1504, 1329336), (1692, 1181632), (1739, 1149696), (1776, 1125744), (1996, 1001664), (2256, 886224), (2304, 867761), (2368, 844308), (2664, 750496), (2994, 667776), (3008, 664668), (3384, 590816), (3478, 574848), (3552, 562872), (3992, 500832), (4491, 445184), (4512, 443112), (4736, 422154), (5217, 383232), (5328, 375248), (5988, 333888), (6016, 332334), (6768, 295408), (6956, 287424), (7104, 281436), (7984, 250416), (8982, 222592), (9024, 221556), (9472, 211077), (10434, 191616), (10656, 187624), (11976, 166944), (12032, 166167), (13536, 147704), (13912, 143712), (14208, 140718), (15651, 127744), (15968, 125208), (17964, 111296), (18048, 110778), (18463, 108288), (20868, 95808), (21312, 93812), (23453, 85248), (23952, 83472), (27072, 73852), (27824, 71856), (28416, 70359), (31302, 63872), (31936, 62604), (35928, 55648), (36096, 55389), (36926, 54144), (41736, 47904), (42624, 46906)]