198561440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:331

約数の個数: 192

約数和(自身を含む): 595703808

約数和(自身を除く): 397142368

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 71, 77, 80, 88, 110, 112, 140, 142, 154, 160, 176, 220, 224, 227, 280, 284, 308, 352, 355, 385, 440, 454, 497, 560, 568, 616, 710, 770, 781, 880, 908, 994, 1120, 1135, 1136, 1232, 1420, 1540, 1562, 1589, 1760, 1816, 1988, 2270, 2272, 2464, 2485, 2497, 2840, 3080, 3124, 3178, 3632, 3905, 3976, 4540, 4970, 4994, 5467, 5680, 6160, 6248, 6356, 7264, 7810, 7945, 7952, 9080, 9940, 9988, 10934, 11360, 12320, 12485, 12496, 12712, 15620, 15890, 15904, 16117, 17479, 18160, 19880, 19976, 21868, 24970, 24992, 25424, 27335, 31240, 31780, 32234, 34958, 36320, 39760, 39952, 43736, 49940, 50848, 54670, 62480, 63560, 64468, 69916, 79520, 79904, 80585, 87395, 87472, 99880, 109340, 112819, 124960, 127120, 128936, 139832, 161170, 174790, 174944, 177287, 199760, 218680, 225638, 254240, 257872, 279664, 322340, 349580, 354574, 399520, 437360, 451276, 515744, 559328, 564095, 644680, 699160, 709148, 874720, 886435, 902552, 1128190, 1241009, 1289360, 1398320, 1418296, 1772870, 1805104, 2256380, 2482018, 2578720, 2796640, 2836592, 3545740, 3610208, 4512760, 4964036, 5673184, 6205045, 7091480, 9025520, 9928072, 12410090, 14182960, 18051040, 19856144, 24820180, 28365920, 39712288, 49640360, 99280720, 198561440]

約数ペア:

[(1, 198561440), (2, 99280720), (4, 49640360), (5, 39712288), (7, 28365920), (8, 24820180), (10, 19856144), (11, 18051040), (14, 14182960), (16, 12410090), (20, 9928072), (22, 9025520), (28, 7091480), (32, 6205045), (35, 5673184), (40, 4964036), (44, 4512760), (55, 3610208), (56, 3545740), (70, 2836592), (71, 2796640), (77, 2578720), (80, 2482018), (88, 2256380), (110, 1805104), (112, 1772870), (140, 1418296), (142, 1398320), (154, 1289360), (160, 1241009), (176, 1128190), (220, 902552), (224, 886435), (227, 874720), (280, 709148), (284, 699160), (308, 644680), (352, 564095), (355, 559328), (385, 515744), (440, 451276), (454, 437360), (497, 399520), (560, 354574), (568, 349580), (616, 322340), (710, 279664), (770, 257872), (781, 254240), (880, 225638), (908, 218680), (994, 199760), (1120, 177287), (1135, 174944), (1136, 174790), (1232, 161170), (1420, 139832), (1540, 128936), (1562, 127120), (1589, 124960), (1760, 112819), (1816, 109340), (1988, 99880), (2270, 87472), (2272, 87395), (2464, 80585), (2485, 79904), (2497, 79520), (2840, 69916), (3080, 64468), (3124, 63560), (3178, 62480), (3632, 54670), (3905, 50848), (3976, 49940), (4540, 43736), (4970, 39952), (4994, 39760), (5467, 36320), (5680, 34958), (6160, 32234), (6248, 31780), (6356, 31240), (7264, 27335), (7810, 25424), (7945, 24992), (7952, 24970), (9080, 21868), (9940, 19976), (9988, 19880), (10934, 18160), (11360, 17479), (12320, 16117), (12485, 15904), (12496, 15890), (12712, 15620)]