28890400

素因数分解:

$2^5\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1$

素因数の和:112

約数の個数: 216

約数和(自身を含む): 90837936

約数和(自身を除く): 61947536

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 67, 70, 77, 80, 88, 98, 100, 110, 112, 134, 140, 154, 160, 175, 176, 196, 200, 220, 224, 245, 268, 275, 280, 308, 335, 350, 352, 385, 392, 400, 440, 469, 490, 536, 539, 550, 560, 616, 670, 700, 737, 770, 784, 800, 880, 938, 980, 1072, 1078, 1100, 1120, 1225, 1232, 1340, 1400, 1474, 1540, 1568, 1675, 1760, 1876, 1925, 1960, 2144, 2156, 2200, 2345, 2450, 2464, 2680, 2695, 2800, 2948, 3080, 3283, 3350, 3685, 3752, 3850, 3920, 4312, 4400, 4690, 4900, 5159, 5360, 5390, 5600, 5896, 6160, 6566, 6700, 7370, 7504, 7700, 7840, 8624, 8800, 9380, 9800, 10318, 10720, 10780, 11725, 11792, 12320, 13132, 13400, 13475, 14740, 15008, 15400, 16415, 17248, 18425, 18760, 19600, 20636, 21560, 23450, 23584, 25795, 26264, 26800, 26950, 29480, 30800, 32830, 36113, 36850, 37520, 39200, 41272, 43120, 46900, 51590, 52528, 53600, 53900, 58960, 61600, 65660, 72226, 73700, 75040, 82075, 82544, 86240, 93800, 103180, 105056, 107800, 117920, 128975, 131320, 144452, 147400, 164150, 165088, 180565, 187600, 206360, 215600, 257950, 262640, 288904, 294800, 328300, 361130, 375200, 412720, 431200, 515900, 525280, 577808, 589600, 656600, 722260, 825440, 902825, 1031800, 1155616, 1313200, 1444520, 1805650, 2063600, 2626400, 2889040, 3611300, 4127200, 5778080, 7222600, 14445200, 28890400]

約数ペア:

[(1, 28890400), (2, 14445200), (4, 7222600), (5, 5778080), (7, 4127200), (8, 3611300), (10, 2889040), (11, 2626400), (14, 2063600), (16, 1805650), (20, 1444520), (22, 1313200), (25, 1155616), (28, 1031800), (32, 902825), (35, 825440), (40, 722260), (44, 656600), (49, 589600), (50, 577808), (55, 525280), (56, 515900), (67, 431200), (70, 412720), (77, 375200), (80, 361130), (88, 328300), (98, 294800), (100, 288904), (110, 262640), (112, 257950), (134, 215600), (140, 206360), (154, 187600), (160, 180565), (175, 165088), (176, 164150), (196, 147400), (200, 144452), (220, 131320), (224, 128975), (245, 117920), (268, 107800), (275, 105056), (280, 103180), (308, 93800), (335, 86240), (350, 82544), (352, 82075), (385, 75040), (392, 73700), (400, 72226), (440, 65660), (469, 61600), (490, 58960), (536, 53900), (539, 53600), (550, 52528), (560, 51590), (616, 46900), (670, 43120), (700, 41272), (737, 39200), (770, 37520), (784, 36850), (800, 36113), (880, 32830), (938, 30800), (980, 29480), (1072, 26950), (1078, 26800), (1100, 26264), (1120, 25795), (1225, 23584), (1232, 23450), (1340, 21560), (1400, 20636), (1474, 19600), (1540, 18760), (1568, 18425), (1675, 17248), (1760, 16415), (1876, 15400), (1925, 15008), (1960, 14740), (2144, 13475), (2156, 13400), (2200, 13132), (2345, 12320), (2450, 11792), (2464, 11725), (2680, 10780), (2695, 10720), (2800, 10318), (2948, 9800), (3080, 9380), (3283, 8800), (3350, 8624), (3685, 7840), (3752, 7700), (3850, 7504), (3920, 7370), (4312, 6700), (4400, 6566), (4690, 6160), (4900, 5896), (5159, 5600), (5360, 5390)]