257889744

素因数分解:

$2^4\times 3^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 300

約数和(自身を含む): 903120768

約数和(自身を除く): 645231024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 49, 54, 56, 62, 63, 72, 81, 84, 93, 98, 108, 112, 124, 126, 131, 144, 147, 162, 168, 186, 189, 196, 216, 217, 248, 252, 262, 279, 294, 324, 336, 372, 378, 392, 393, 432, 434, 441, 496, 504, 524, 558, 567, 588, 648, 651, 744, 756, 784, 786, 837, 868, 882, 917, 1008, 1048, 1116, 1134, 1176, 1179, 1296, 1302, 1323, 1488, 1512, 1519, 1572, 1674, 1736, 1764, 1834, 1953, 2096, 2232, 2268, 2352, 2358, 2511, 2604, 2646, 2751, 3024, 3038, 3144, 3348, 3472, 3528, 3537, 3668, 3906, 3969, 4061, 4464, 4536, 4557, 4716, 5022, 5208, 5292, 5502, 5859, 6076, 6288, 6419, 6696, 7056, 7074, 7336, 7812, 7938, 8122, 8253, 9072, 9114, 9432, 10044, 10416, 10584, 10611, 11004, 11718, 12152, 12183, 12838, 13392, 13671, 14148, 14672, 15624, 15876, 16244, 16506, 17577, 18228, 18864, 19257, 20088, 21168, 21222, 22008, 23436, 24304, 24366, 24759, 25676, 27342, 28296, 28427, 31248, 31752, 32488, 33012, 35154, 36456, 36549, 38514, 40176, 41013, 42444, 44016, 46872, 48732, 49518, 51352, 54684, 56592, 56854, 57771, 63504, 64976, 66024, 70308, 72912, 73098, 74277, 77028, 82026, 84888, 85281, 93744, 97464, 99036, 102704, 109368, 109647, 113708, 115542, 123039, 132048, 140616, 146196, 148554, 154056, 164052, 169776, 170562, 173313, 194928, 198072, 198989, 218736, 219294, 227416, 231084, 246078, 255843, 281232, 292392, 297108, 308112, 328104, 328941, 341124, 346626, 396144, 397978, 438588, 454832, 462168, 492156, 511686, 519939, 584784, 594216, 596967, 656208, 657882, 682248, 693252, 767529, 795956, 877176, 924336, 984312, 1023372, 1039878, 1188432, 1193934, 1315764, 1364496, 1386504, 1535058, 1591912, 1754352, 1790901, 1968624, 2046744, 2079756, 2302587, 2387868, 2631528, 2773008, 3070116, 3183824, 3581802, 4093488, 4159512, 4605174, 4775736, 5263056, 5372703, 6140232, 7163604, 8319024, 9210348, 9551472, 10745406, 12280464, 14327208, 16118109, 18420696, 21490812, 28654416, 32236218, 36841392, 42981624, 64472436, 85963248, 128944872, 257889744]

約数ペア:

[(1, 257889744), (2, 128944872), (3, 85963248), (4, 64472436), (6, 42981624), (7, 36841392), (8, 32236218), (9, 28654416), (12, 21490812), (14, 18420696), (16, 16118109), (18, 14327208), (21, 12280464), (24, 10745406), (27, 9551472), (28, 9210348), (31, 8319024), (36, 7163604), (42, 6140232), (48, 5372703), (49, 5263056), (54, 4775736), (56, 4605174), (62, 4159512), (63, 4093488), (72, 3581802), (81, 3183824), (84, 3070116), (93, 2773008), (98, 2631528), (108, 2387868), (112, 2302587), (124, 2079756), (126, 2046744), (131, 1968624), (144, 1790901), (147, 1754352), (162, 1591912), (168, 1535058), (186, 1386504), (189, 1364496), (196, 1315764), (216, 1193934), (217, 1188432), (248, 1039878), (252, 1023372), (262, 984312), (279, 924336), (294, 877176), (324, 795956), (336, 767529), (372, 693252), (378, 682248), (392, 657882), (393, 656208), (432, 596967), (434, 594216), (441, 584784), (496, 519939), (504, 511686), (524, 492156), (558, 462168), (567, 454832), (588, 438588), (648, 397978), (651, 396144), (744, 346626), (756, 341124), (784, 328941), (786, 328104), (837, 308112), (868, 297108), (882, 292392), (917, 281232), (1008, 255843), (1048, 246078), (1116, 231084), (1134, 227416), (1176, 219294), (1179, 218736), (1296, 198989), (1302, 198072), (1323, 194928), (1488, 173313), (1512, 170562), (1519, 169776), (1572, 164052), (1674, 154056), (1736, 148554), (1764, 146196), (1834, 140616), (1953, 132048), (2096, 123039), (2232, 115542), (2268, 113708), (2352, 109647), (2358, 109368), (2511, 102704), (2604, 99036), (2646, 97464), (2751, 93744), (3024, 85281), (3038, 84888), (3144, 82026), (3348, 77028), (3472, 74277), (3528, 73098), (3537, 72912), (3668, 70308), (3906, 66024), (3969, 64976), (4061, 63504), (4464, 57771), (4536, 56854), (4557, 56592), (4716, 54684), (5022, 51352), (5208, 49518), (5292, 48732), (5502, 46872), (5859, 44016), (6076, 42444), (6288, 41013), (6419, 40176), (6696, 38514), (7056, 36549), (7074, 36456), (7336, 35154), (7812, 33012), (7938, 32488), (8122, 31752), (8253, 31248), (9072, 28427), (9114, 28296), (9432, 27342), (10044, 25676), (10416, 24759), (10584, 24366), (10611, 24304), (11004, 23436), (11718, 22008), (12152, 21222), (12183, 21168), (12838, 20088), (13392, 19257), (13671, 18864), (14148, 18228), (14672, 17577), (15624, 16506), (15876, 16244)]