208020912

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:303

約数の個数: 160

約数和(自身を含む): 617103360

約数和(自身を除く): 409082448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 71, 88, 93, 124, 132, 142, 176, 179, 186, 213, 248, 264, 284, 341, 358, 372, 426, 496, 528, 537, 568, 682, 716, 744, 781, 852, 1023, 1074, 1136, 1364, 1432, 1488, 1562, 1704, 1969, 2046, 2148, 2201, 2343, 2728, 2864, 3124, 3408, 3938, 4092, 4296, 4402, 4686, 5456, 5549, 5907, 6248, 6603, 7876, 8184, 8592, 8804, 9372, 11098, 11814, 12496, 12709, 13206, 15752, 16368, 16647, 17608, 18744, 22196, 23628, 24211, 25418, 26412, 31504, 33294, 35216, 37488, 38127, 44392, 47256, 48422, 50836, 52824, 61039, 66588, 72633, 76254, 88784, 94512, 96844, 101672, 105648, 122078, 133176, 139799, 145266, 152508, 183117, 193688, 203344, 244156, 266352, 279598, 290532, 305016, 366234, 387376, 393979, 419397, 488312, 559196, 581064, 610032, 732468, 787958, 838794, 976624, 1118392, 1162128, 1181937, 1464936, 1575916, 1677588, 2236784, 2363874, 2929872, 3151832, 3355176, 4333769, 4727748, 6303664, 6710352, 8667538, 9455496, 13001307, 17335076, 18910992, 26002614, 34670152, 52005228, 69340304, 104010456, 208020912]

約数ペア:

[(1, 208020912), (2, 104010456), (3, 69340304), (4, 52005228), (6, 34670152), (8, 26002614), (11, 18910992), (12, 17335076), (16, 13001307), (22, 9455496), (24, 8667538), (31, 6710352), (33, 6303664), (44, 4727748), (48, 4333769), (62, 3355176), (66, 3151832), (71, 2929872), (88, 2363874), (93, 2236784), (124, 1677588), (132, 1575916), (142, 1464936), (176, 1181937), (179, 1162128), (186, 1118392), (213, 976624), (248, 838794), (264, 787958), (284, 732468), (341, 610032), (358, 581064), (372, 559196), (426, 488312), (496, 419397), (528, 393979), (537, 387376), (568, 366234), (682, 305016), (716, 290532), (744, 279598), (781, 266352), (852, 244156), (1023, 203344), (1074, 193688), (1136, 183117), (1364, 152508), (1432, 145266), (1488, 139799), (1562, 133176), (1704, 122078), (1969, 105648), (2046, 101672), (2148, 96844), (2201, 94512), (2343, 88784), (2728, 76254), (2864, 72633), (3124, 66588), (3408, 61039), (3938, 52824), (4092, 50836), (4296, 48422), (4402, 47256), (4686, 44392), (5456, 38127), (5549, 37488), (5907, 35216), (6248, 33294), (6603, 31504), (7876, 26412), (8184, 25418), (8592, 24211), (8804, 23628), (9372, 22196), (11098, 18744), (11814, 17608), (12496, 16647), (12709, 16368), (13206, 15752)]