205220496

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 595128576

約数和(自身を除く): 389908080

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 103, 104, 124, 156, 186, 206, 208, 248, 309, 312, 372, 403, 412, 496, 618, 624, 744, 806, 824, 1209, 1236, 1339, 1488, 1612, 1648, 2418, 2472, 2678, 3193, 3224, 4017, 4836, 4944, 5356, 6386, 6448, 8034, 9579, 9672, 10609, 10712, 12772, 16068, 19158, 19344, 21218, 21424, 25544, 31827, 32136, 38316, 41509, 42436, 51088, 63654, 64272, 76632, 83018, 84872, 124527, 127308, 137917, 153264, 166036, 169744, 249054, 254616, 275834, 328879, 332072, 413751, 498108, 509232, 551668, 657758, 664144, 827502, 986637, 996216, 1103336, 1315516, 1655004, 1973274, 1992432, 2206672, 2631032, 3310008, 3946548, 4275427, 5262064, 6620016, 7893096, 8550854, 12826281, 15786192, 17101708, 25652562, 34203416, 51305124, 68406832, 102610248, 205220496]

約数ペア:

[(1, 205220496), (2, 102610248), (3, 68406832), (4, 51305124), (6, 34203416), (8, 25652562), (12, 17101708), (13, 15786192), (16, 12826281), (24, 8550854), (26, 7893096), (31, 6620016), (39, 5262064), (48, 4275427), (52, 3946548), (62, 3310008), (78, 2631032), (93, 2206672), (103, 1992432), (104, 1973274), (124, 1655004), (156, 1315516), (186, 1103336), (206, 996216), (208, 986637), (248, 827502), (309, 664144), (312, 657758), (372, 551668), (403, 509232), (412, 498108), (496, 413751), (618, 332072), (624, 328879), (744, 275834), (806, 254616), (824, 249054), (1209, 169744), (1236, 166036), (1339, 153264), (1488, 137917), (1612, 127308), (1648, 124527), (2418, 84872), (2472, 83018), (2678, 76632), (3193, 64272), (3224, 63654), (4017, 51088), (4836, 42436), (4944, 41509), (5356, 38316), (6386, 32136), (6448, 31827), (8034, 25544), (9579, 21424), (9672, 21218), (10609, 19344), (10712, 19158), (12772, 16068)]