398131488

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:771

約数の個数: 144

約数和(自身を含む): 1189089720

約数和(自身を除く): 790958232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 48, 58, 72, 73, 87, 96, 116, 144, 146, 174, 219, 232, 261, 288, 292, 348, 438, 464, 522, 584, 653, 657, 696, 876, 928, 1044, 1168, 1306, 1314, 1392, 1752, 1959, 2088, 2117, 2336, 2612, 2628, 2784, 3504, 3918, 4176, 4234, 5224, 5256, 5877, 6351, 7008, 7836, 8352, 8468, 10448, 10512, 11754, 12702, 15672, 16936, 18937, 19053, 20896, 21024, 23508, 25404, 31344, 33872, 37874, 38106, 47016, 47669, 50808, 56811, 62688, 67744, 75748, 76212, 94032, 95338, 101616, 113622, 143007, 151496, 152424, 170433, 188064, 190676, 203232, 227244, 286014, 302992, 304848, 340866, 381352, 429021, 454488, 572028, 605984, 609696, 681732, 762704, 858042, 908976, 1144056, 1363464, 1382401, 1525408, 1716084, 1817952, 2288112, 2726928, 2764802, 3432168, 4147203, 4576224, 5453856, 5529604, 6864336, 8294406, 11059208, 12441609, 13728672, 16588812, 22118416, 24883218, 33177624, 44236832, 49766436, 66355248, 99532872, 132710496, 199065744, 398131488]

約数ペア:

[(1, 398131488), (2, 199065744), (3, 132710496), (4, 99532872), (6, 66355248), (8, 49766436), (9, 44236832), (12, 33177624), (16, 24883218), (18, 22118416), (24, 16588812), (29, 13728672), (32, 12441609), (36, 11059208), (48, 8294406), (58, 6864336), (72, 5529604), (73, 5453856), (87, 4576224), (96, 4147203), (116, 3432168), (144, 2764802), (146, 2726928), (174, 2288112), (219, 1817952), (232, 1716084), (261, 1525408), (288, 1382401), (292, 1363464), (348, 1144056), (438, 908976), (464, 858042), (522, 762704), (584, 681732), (653, 609696), (657, 605984), (696, 572028), (876, 454488), (928, 429021), (1044, 381352), (1168, 340866), (1306, 304848), (1314, 302992), (1392, 286014), (1752, 227244), (1959, 203232), (2088, 190676), (2117, 188064), (2336, 170433), (2612, 152424), (2628, 151496), (2784, 143007), (3504, 113622), (3918, 101616), (4176, 95338), (4234, 94032), (5224, 76212), (5256, 75748), (5877, 67744), (6351, 62688), (7008, 56811), (7836, 50808), (8352, 47669), (8468, 47016), (10448, 38106), (10512, 37874), (11754, 33872), (12702, 31344), (15672, 25404), (16936, 23508), (18937, 21024), (19053, 20896)]