1987855408

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 240

約数和(自身を含む): 5248378368

約数和(自身を除く): 3260522960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 31, 44, 46, 56, 62, 73, 77, 88, 92, 112, 124, 146, 154, 161, 176, 184, 217, 248, 253, 292, 308, 322, 341, 368, 434, 496, 506, 511, 584, 616, 644, 682, 713, 803, 868, 961, 1012, 1022, 1168, 1232, 1288, 1364, 1426, 1606, 1679, 1736, 1771, 1922, 2024, 2044, 2263, 2387, 2576, 2728, 2852, 3212, 3358, 3472, 3542, 3844, 4048, 4088, 4526, 4774, 4991, 5456, 5621, 5704, 6424, 6716, 6727, 7084, 7688, 7843, 8176, 9052, 9548, 9982, 10571, 11242, 11408, 11753, 12848, 13432, 13454, 14168, 15376, 15686, 15841, 18104, 18469, 19096, 19964, 21142, 22103, 22484, 23506, 24893, 26864, 26908, 28336, 31372, 31682, 36208, 36938, 38192, 39928, 42284, 44206, 44968, 47012, 49786, 52049, 53816, 54901, 62744, 63364, 70153, 73876, 73997, 79856, 84568, 88412, 89936, 94024, 99572, 104098, 107632, 109802, 125488, 126728, 129283, 140306, 147752, 147994, 154721, 169136, 174251, 176824, 188048, 199144, 208196, 219604, 243133, 253456, 258566, 280612, 295504, 295988, 309442, 348502, 353648, 364343, 398288, 416392, 439208, 486266, 491071, 517132, 561224, 572539, 591976, 618884, 697004, 728686, 771683, 832784, 878416, 972532, 982142, 1034264, 1122448, 1145078, 1183952, 1237768, 1394008, 1457372, 1543366, 1613519, 1701931, 1945064, 1964284, 2068528, 2290156, 2475536, 2788016, 2914744, 3086732, 3227038, 3403862, 3890128, 3928568, 4007773, 4580312, 5401781, 5829488, 6173464, 6454076, 6807724, 7857136, 8015546, 9160624, 10803562, 11294633, 12346928, 12908152, 13615448, 16031092, 17748709, 21607124, 22589266, 25816304, 27230896, 32062184, 35497418, 43214248, 45178532, 64124368, 70994836, 86428496, 90357064, 124240963, 141989672, 180714128, 248481926, 283979344, 496963852, 993927704, 1987855408]

約数ペア:

[(1, 1987855408), (2, 993927704), (4, 496963852), (7, 283979344), (8, 248481926), (11, 180714128), (14, 141989672), (16, 124240963), (22, 90357064), (23, 86428496), (28, 70994836), (31, 64124368), (44, 45178532), (46, 43214248), (56, 35497418), (62, 32062184), (73, 27230896), (77, 25816304), (88, 22589266), (92, 21607124), (112, 17748709), (124, 16031092), (146, 13615448), (154, 12908152), (161, 12346928), (176, 11294633), (184, 10803562), (217, 9160624), (248, 8015546), (253, 7857136), (292, 6807724), (308, 6454076), (322, 6173464), (341, 5829488), (368, 5401781), (434, 4580312), (496, 4007773), (506, 3928568), (511, 3890128), (584, 3403862), (616, 3227038), (644, 3086732), (682, 2914744), (713, 2788016), (803, 2475536), (868, 2290156), (961, 2068528), (1012, 1964284), (1022, 1945064), (1168, 1701931), (1232, 1613519), (1288, 1543366), (1364, 1457372), (1426, 1394008), (1606, 1237768), (1679, 1183952), (1736, 1145078), (1771, 1122448), (1922, 1034264), (2024, 982142), (2044, 972532), (2263, 878416), (2387, 832784), (2576, 771683), (2728, 728686), (2852, 697004), (3212, 618884), (3358, 591976), (3472, 572539), (3542, 561224), (3844, 517132), (4048, 491071), (4088, 486266), (4526, 439208), (4774, 416392), (4991, 398288), (5456, 364343), (5621, 353648), (5704, 348502), (6424, 309442), (6716, 295988), (6727, 295504), (7084, 280612), (7688, 258566), (7843, 253456), (8176, 243133), (9052, 219604), (9548, 208196), (9982, 199144), (10571, 188048), (11242, 176824), (11408, 174251), (11753, 169136), (12848, 154721), (13432, 147994), (13454, 147752), (14168, 140306), (15376, 129283), (15686, 126728), (15841, 125488), (18104, 109802), (18469, 107632), (19096, 104098), (19964, 99572), (21142, 94024), (22103, 89936), (22484, 88412), (23506, 84568), (24893, 79856), (26864, 73997), (26908, 73876), (28336, 70153), (31372, 63364), (31682, 62744), (36208, 54901), (36938, 53816), (38192, 52049), (39928, 49786), (42284, 47012), (44206, 44968)]