388781568

素因数分解:

$2^9\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{709}}^1$

素因数の和:757

約数の個数: 240

約数和(自身を含む): 1359689760

約数和(自身を除く): 970908192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 51, 56, 63, 64, 68, 72, 84, 96, 102, 112, 119, 126, 128, 136, 144, 153, 168, 192, 204, 224, 238, 252, 256, 272, 288, 306, 336, 357, 384, 408, 448, 476, 504, 512, 544, 576, 612, 672, 709, 714, 768, 816, 896, 952, 1008, 1071, 1088, 1152, 1224, 1344, 1418, 1428, 1536, 1632, 1792, 1904, 2016, 2127, 2142, 2176, 2304, 2448, 2688, 2836, 2856, 3264, 3584, 3808, 4032, 4254, 4284, 4352, 4608, 4896, 4963, 5376, 5672, 5712, 6381, 6528, 7616, 8064, 8508, 8568, 8704, 9792, 9926, 10752, 11344, 11424, 12053, 12762, 13056, 14889, 15232, 16128, 17016, 17136, 19584, 19852, 22688, 22848, 24106, 25524, 26112, 29778, 30464, 32256, 34032, 34272, 36159, 39168, 39704, 44667, 45376, 45696, 48212, 51048, 59556, 60928, 68064, 68544, 72318, 78336, 79408, 84371, 89334, 90752, 91392, 96424, 102096, 108477, 119112, 136128, 137088, 144636, 158816, 168742, 178668, 181504, 182784, 192848, 204192, 216954, 238224, 253113, 272256, 274176, 289272, 317632, 337484, 357336, 363008, 385696, 408384, 433908, 476448, 506226, 544512, 548352, 578544, 635264, 674968, 714672, 759339, 771392, 816768, 867816, 952896, 1012452, 1089024, 1157088, 1270528, 1349936, 1429344, 1518678, 1542784, 1633536, 1735632, 1905792, 2024904, 2314176, 2541056, 2699872, 2858688, 3037356, 3085568, 3267072, 3471264, 3811584, 4049808, 4628352, 5399744, 5717376, 6074712, 6171136, 6942528, 7623168, 8099616, 9256704, 10799488, 11434752, 12149424, 13885056, 16199232, 18513408, 21598976, 22869504, 24298848, 27770112, 32398464, 43197952, 48597696, 55540224, 64796928, 97195392, 129593856, 194390784, 388781568]

約数ペア:

[(1, 388781568), (2, 194390784), (3, 129593856), (4, 97195392), (6, 64796928), (7, 55540224), (8, 48597696), (9, 43197952), (12, 32398464), (14, 27770112), (16, 24298848), (17, 22869504), (18, 21598976), (21, 18513408), (24, 16199232), (28, 13885056), (32, 12149424), (34, 11434752), (36, 10799488), (42, 9256704), (48, 8099616), (51, 7623168), (56, 6942528), (63, 6171136), (64, 6074712), (68, 5717376), (72, 5399744), (84, 4628352), (96, 4049808), (102, 3811584), (112, 3471264), (119, 3267072), (126, 3085568), (128, 3037356), (136, 2858688), (144, 2699872), (153, 2541056), (168, 2314176), (192, 2024904), (204, 1905792), (224, 1735632), (238, 1633536), (252, 1542784), (256, 1518678), (272, 1429344), (288, 1349936), (306, 1270528), (336, 1157088), (357, 1089024), (384, 1012452), (408, 952896), (448, 867816), (476, 816768), (504, 771392), (512, 759339), (544, 714672), (576, 674968), (612, 635264), (672, 578544), (709, 548352), (714, 544512), (768, 506226), (816, 476448), (896, 433908), (952, 408384), (1008, 385696), (1071, 363008), (1088, 357336), (1152, 337484), (1224, 317632), (1344, 289272), (1418, 274176), (1428, 272256), (1536, 253113), (1632, 238224), (1792, 216954), (1904, 204192), (2016, 192848), (2127, 182784), (2142, 181504), (2176, 178668), (2304, 168742), (2448, 158816), (2688, 144636), (2836, 137088), (2856, 136128), (3264, 119112), (3584, 108477), (3808, 102096), (4032, 96424), (4254, 91392), (4284, 90752), (4352, 89334), (4608, 84371), (4896, 79408), (4963, 78336), (5376, 72318), (5672, 68544), (5712, 68064), (6381, 60928), (6528, 59556), (7616, 51048), (8064, 48212), (8508, 45696), (8568, 45376), (8704, 44667), (9792, 39704), (9926, 39168), (10752, 36159), (11344, 34272), (11424, 34032), (12053, 32256), (12762, 30464), (13056, 29778), (14889, 26112), (15232, 25524), (16128, 24106), (17016, 22848), (17136, 22688), (19584, 19852)]