208198480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 582819840

約数和(自身を除く): 374621360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 67, 70, 80, 112, 124, 134, 140, 155, 179, 217, 248, 268, 280, 310, 335, 358, 434, 469, 496, 536, 560, 620, 670, 716, 868, 895, 938, 1072, 1085, 1240, 1253, 1340, 1432, 1736, 1790, 1876, 2077, 2170, 2345, 2480, 2506, 2680, 2864, 3472, 3580, 3752, 4154, 4340, 4690, 5012, 5360, 5549, 6265, 7160, 7504, 8308, 8680, 9380, 10024, 10385, 11098, 11993, 12530, 14320, 14539, 16616, 17360, 18760, 20048, 20770, 22196, 23986, 25060, 27745, 29078, 33232, 37520, 38843, 41540, 44392, 47972, 50120, 55490, 58156, 59965, 72695, 77686, 83080, 83951, 88784, 95944, 100240, 110980, 116312, 119930, 145390, 155372, 166160, 167902, 191888, 194215, 221960, 232624, 239860, 290780, 310744, 335804, 371783, 388430, 419755, 443920, 479720, 581560, 621488, 671608, 743566, 776860, 839510, 959440, 1163120, 1343216, 1487132, 1553720, 1679020, 1858915, 2602481, 2974264, 3107440, 3358040, 3717830, 5204962, 5948528, 6716080, 7435660, 10409924, 13012405, 14871320, 20819848, 26024810, 29742640, 41639696, 52049620, 104099240, 208198480]

約数ペア:

[(1, 208198480), (2, 104099240), (4, 52049620), (5, 41639696), (7, 29742640), (8, 26024810), (10, 20819848), (14, 14871320), (16, 13012405), (20, 10409924), (28, 7435660), (31, 6716080), (35, 5948528), (40, 5204962), (56, 3717830), (62, 3358040), (67, 3107440), (70, 2974264), (80, 2602481), (112, 1858915), (124, 1679020), (134, 1553720), (140, 1487132), (155, 1343216), (179, 1163120), (217, 959440), (248, 839510), (268, 776860), (280, 743566), (310, 671608), (335, 621488), (358, 581560), (434, 479720), (469, 443920), (496, 419755), (536, 388430), (560, 371783), (620, 335804), (670, 310744), (716, 290780), (868, 239860), (895, 232624), (938, 221960), (1072, 194215), (1085, 191888), (1240, 167902), (1253, 166160), (1340, 155372), (1432, 145390), (1736, 119930), (1790, 116312), (1876, 110980), (2077, 100240), (2170, 95944), (2345, 88784), (2480, 83951), (2506, 83080), (2680, 77686), (2864, 72695), (3472, 59965), (3580, 58156), (3752, 55490), (4154, 50120), (4340, 47972), (4690, 44392), (5012, 41540), (5360, 38843), (5549, 37520), (6265, 33232), (7160, 29078), (7504, 27745), (8308, 25060), (8680, 23986), (9380, 22196), (10024, 20770), (10385, 20048), (11098, 18760), (11993, 17360), (12530, 16616), (14320, 14539)]