290301440

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 240

約数和(自身を含む): 835700976

約数和(自身を除く): 545399536

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 61, 64, 65, 80, 88, 104, 110, 122, 128, 130, 143, 160, 169, 176, 208, 220, 244, 256, 260, 286, 305, 320, 338, 352, 416, 440, 488, 512, 520, 572, 610, 640, 671, 676, 704, 715, 793, 832, 845, 880, 976, 1040, 1144, 1220, 1280, 1342, 1352, 1408, 1430, 1586, 1664, 1690, 1760, 1859, 1952, 2080, 2288, 2440, 2560, 2684, 2704, 2816, 2860, 3172, 3328, 3355, 3380, 3520, 3718, 3904, 3965, 4160, 4576, 4880, 5368, 5408, 5632, 5720, 6344, 6656, 6710, 6760, 7040, 7436, 7808, 7930, 8320, 8723, 9152, 9295, 9760, 10309, 10736, 10816, 11440, 12688, 13420, 13520, 14080, 14872, 15616, 15860, 16640, 17446, 18304, 18590, 19520, 20618, 21472, 21632, 22880, 25376, 26840, 27040, 28160, 29744, 31232, 31720, 33280, 34892, 36608, 37180, 39040, 41236, 42944, 43264, 43615, 45760, 50752, 51545, 53680, 54080, 59488, 63440, 69784, 73216, 74360, 78080, 82472, 85888, 86528, 87230, 91520, 101504, 103090, 107360, 108160, 113399, 118976, 126880, 139568, 148720, 156160, 164944, 171776, 174460, 183040, 203008, 206180, 214720, 216320, 226798, 237952, 253760, 279136, 297440, 329888, 343552, 348920, 366080, 406016, 412360, 429440, 432640, 453596, 475904, 507520, 558272, 566995, 594880, 659776, 697840, 824720, 858880, 907192, 951808, 1015040, 1116544, 1133990, 1189760, 1319552, 1395680, 1649440, 1717760, 1814384, 2030080, 2233088, 2267980, 2379520, 2639104, 2791360, 3298880, 3628768, 4466176, 4535960, 4759040, 5278208, 5582720, 6597760, 7257536, 9071920, 11165440, 13195520, 14515072, 18143840, 22330880, 26391040, 29030144, 36287680, 58060288, 72575360, 145150720, 290301440]

約数ペア:

[(1, 290301440), (2, 145150720), (4, 72575360), (5, 58060288), (8, 36287680), (10, 29030144), (11, 26391040), (13, 22330880), (16, 18143840), (20, 14515072), (22, 13195520), (26, 11165440), (32, 9071920), (40, 7257536), (44, 6597760), (52, 5582720), (55, 5278208), (61, 4759040), (64, 4535960), (65, 4466176), (80, 3628768), (88, 3298880), (104, 2791360), (110, 2639104), (122, 2379520), (128, 2267980), (130, 2233088), (143, 2030080), (160, 1814384), (169, 1717760), (176, 1649440), (208, 1395680), (220, 1319552), (244, 1189760), (256, 1133990), (260, 1116544), (286, 1015040), (305, 951808), (320, 907192), (338, 858880), (352, 824720), (416, 697840), (440, 659776), (488, 594880), (512, 566995), (520, 558272), (572, 507520), (610, 475904), (640, 453596), (671, 432640), (676, 429440), (704, 412360), (715, 406016), (793, 366080), (832, 348920), (845, 343552), (880, 329888), (976, 297440), (1040, 279136), (1144, 253760), (1220, 237952), (1280, 226798), (1342, 216320), (1352, 214720), (1408, 206180), (1430, 203008), (1586, 183040), (1664, 174460), (1690, 171776), (1760, 164944), (1859, 156160), (1952, 148720), (2080, 139568), (2288, 126880), (2440, 118976), (2560, 113399), (2684, 108160), (2704, 107360), (2816, 103090), (2860, 101504), (3172, 91520), (3328, 87230), (3355, 86528), (3380, 85888), (3520, 82472), (3718, 78080), (3904, 74360), (3965, 73216), (4160, 69784), (4576, 63440), (4880, 59488), (5368, 54080), (5408, 53680), (5632, 51545), (5720, 50752), (6344, 45760), (6656, 43615), (6710, 43264), (6760, 42944), (7040, 41236), (7436, 39040), (7808, 37180), (7930, 36608), (8320, 34892), (8723, 33280), (9152, 31720), (9295, 31232), (9760, 29744), (10309, 28160), (10736, 27040), (10816, 26840), (11440, 25376), (12688, 22880), (13420, 21632), (13520, 21472), (14080, 20618), (14872, 19520), (15616, 18590), (15860, 18304), (16640, 17446)]