198157960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 256

約数和(自身を含む): 616896000

約数和(自身を除く): 418738040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 101, 104, 110, 130, 140, 143, 154, 182, 196, 202, 220, 245, 260, 280, 286, 308, 343, 364, 385, 392, 404, 440, 455, 490, 505, 520, 539, 572, 616, 637, 686, 707, 715, 728, 770, 808, 910, 980, 1001, 1010, 1078, 1111, 1144, 1274, 1313, 1372, 1414, 1430, 1540, 1715, 1820, 1960, 2002, 2020, 2156, 2222, 2548, 2626, 2695, 2744, 2828, 2860, 3080, 3185, 3430, 3535, 3640, 3773, 4004, 4040, 4312, 4444, 4459, 4949, 5005, 5096, 5252, 5390, 5555, 5656, 5720, 6370, 6565, 6860, 7007, 7070, 7546, 7777, 8008, 8888, 8918, 9191, 9898, 10010, 10504, 10780, 11110, 12740, 13130, 13720, 14014, 14140, 14443, 15092, 15554, 17836, 18382, 18865, 19796, 20020, 21560, 22220, 22295, 24745, 25480, 26260, 28028, 28280, 28886, 30184, 31108, 34643, 35035, 35672, 36764, 37730, 38885, 39592, 40040, 44440, 44590, 45955, 49049, 49490, 52520, 54439, 56056, 57772, 62216, 64337, 69286, 70070, 72215, 73528, 75460, 77770, 89180, 91910, 98098, 98980, 101101, 108878, 115544, 128674, 138572, 140140, 144430, 150920, 155540, 173215, 178360, 183820, 196196, 197960, 202202, 217756, 245245, 257348, 272195, 277144, 280280, 288860, 311080, 321685, 346430, 367640, 381073, 392392, 404404, 435512, 450359, 490490, 505505, 514696, 544390, 577720, 643370, 692860, 707707, 762146, 808808, 900718, 980980, 1011010, 1088780, 1286740, 1385720, 1415414, 1524292, 1801436, 1905365, 1961960, 2022020, 2177560, 2251795, 2573480, 2830828, 3048584, 3538535, 3602872, 3810730, 4044040, 4503590, 4953949, 5661656, 7077070, 7621460, 9007180, 9907898, 14154140, 15242920, 18014360, 19815796, 24769745, 28308280, 39631592, 49539490, 99078980, 198157960]

約数ペア:

[(1, 198157960), (2, 99078980), (4, 49539490), (5, 39631592), (7, 28308280), (8, 24769745), (10, 19815796), (11, 18014360), (13, 15242920), (14, 14154140), (20, 9907898), (22, 9007180), (26, 7621460), (28, 7077070), (35, 5661656), (40, 4953949), (44, 4503590), (49, 4044040), (52, 3810730), (55, 3602872), (56, 3538535), (65, 3048584), (70, 2830828), (77, 2573480), (88, 2251795), (91, 2177560), (98, 2022020), (101, 1961960), (104, 1905365), (110, 1801436), (130, 1524292), (140, 1415414), (143, 1385720), (154, 1286740), (182, 1088780), (196, 1011010), (202, 980980), (220, 900718), (245, 808808), (260, 762146), (280, 707707), (286, 692860), (308, 643370), (343, 577720), (364, 544390), (385, 514696), (392, 505505), (404, 490490), (440, 450359), (455, 435512), (490, 404404), (505, 392392), (520, 381073), (539, 367640), (572, 346430), (616, 321685), (637, 311080), (686, 288860), (707, 280280), (715, 277144), (728, 272195), (770, 257348), (808, 245245), (910, 217756), (980, 202202), (1001, 197960), (1010, 196196), (1078, 183820), (1111, 178360), (1144, 173215), (1274, 155540), (1313, 150920), (1372, 144430), (1414, 140140), (1430, 138572), (1540, 128674), (1715, 115544), (1820, 108878), (1960, 101101), (2002, 98980), (2020, 98098), (2156, 91910), (2222, 89180), (2548, 77770), (2626, 75460), (2695, 73528), (2744, 72215), (2828, 70070), (2860, 69286), (3080, 64337), (3185, 62216), (3430, 57772), (3535, 56056), (3640, 54439), (3773, 52520), (4004, 49490), (4040, 49049), (4312, 45955), (4444, 44590), (4459, 44440), (4949, 40040), (5005, 39592), (5096, 38885), (5252, 37730), (5390, 36764), (5555, 35672), (5656, 35035), (5720, 34643), (6370, 31108), (6565, 30184), (6860, 28886), (7007, 28280), (7070, 28028), (7546, 26260), (7777, 25480), (8008, 24745), (8888, 22295), (8918, 22220), (9191, 21560), (9898, 20020), (10010, 19796), (10504, 18865), (10780, 18382), (11110, 17836), (12740, 15554), (13130, 15092), (13720, 14443), (14014, 14140)]