28031400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:233

約数の個数: 192

約数和(自身を含む): 100440000

約数和(自身を除く): 72408600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 29, 30, 36, 40, 45, 50, 54, 58, 60, 72, 75, 87, 90, 100, 108, 116, 120, 135, 145, 150, 174, 179, 180, 200, 216, 225, 232, 261, 270, 290, 300, 348, 358, 360, 435, 450, 522, 537, 540, 580, 600, 675, 696, 716, 725, 783, 870, 895, 900, 1044, 1074, 1080, 1160, 1305, 1350, 1432, 1450, 1566, 1611, 1740, 1790, 1800, 2088, 2148, 2175, 2610, 2685, 2700, 2900, 3132, 3222, 3480, 3580, 3915, 4296, 4350, 4475, 4833, 5191, 5220, 5370, 5400, 5800, 6264, 6444, 6525, 7160, 7830, 8055, 8700, 8950, 9666, 10382, 10440, 10740, 12888, 13050, 13425, 15573, 15660, 16110, 17400, 17900, 19332, 19575, 20764, 21480, 24165, 25955, 26100, 26850, 31146, 31320, 32220, 35800, 38664, 39150, 40275, 41528, 46719, 48330, 51910, 52200, 53700, 62292, 64440, 77865, 78300, 80550, 93438, 96660, 103820, 107400, 120825, 124584, 129775, 140157, 155730, 156600, 161100, 186876, 193320, 207640, 233595, 241650, 259550, 280314, 311460, 322200, 373752, 389325, 467190, 483300, 519100, 560628, 622920, 700785, 778650, 934380, 966600, 1038200, 1121256, 1167975, 1401570, 1557300, 1868760, 2335950, 2803140, 3114600, 3503925, 4671900, 5606280, 7007850, 9343800, 14015700, 28031400]

約数ペア:

[(1, 28031400), (2, 14015700), (3, 9343800), (4, 7007850), (5, 5606280), (6, 4671900), (8, 3503925), (9, 3114600), (10, 2803140), (12, 2335950), (15, 1868760), (18, 1557300), (20, 1401570), (24, 1167975), (25, 1121256), (27, 1038200), (29, 966600), (30, 934380), (36, 778650), (40, 700785), (45, 622920), (50, 560628), (54, 519100), (58, 483300), (60, 467190), (72, 389325), (75, 373752), (87, 322200), (90, 311460), (100, 280314), (108, 259550), (116, 241650), (120, 233595), (135, 207640), (145, 193320), (150, 186876), (174, 161100), (179, 156600), (180, 155730), (200, 140157), (216, 129775), (225, 124584), (232, 120825), (261, 107400), (270, 103820), (290, 96660), (300, 93438), (348, 80550), (358, 78300), (360, 77865), (435, 64440), (450, 62292), (522, 53700), (537, 52200), (540, 51910), (580, 48330), (600, 46719), (675, 41528), (696, 40275), (716, 39150), (725, 38664), (783, 35800), (870, 32220), (895, 31320), (900, 31146), (1044, 26850), (1074, 26100), (1080, 25955), (1160, 24165), (1305, 21480), (1350, 20764), (1432, 19575), (1450, 19332), (1566, 17900), (1611, 17400), (1740, 16110), (1790, 15660), (1800, 15573), (2088, 13425), (2148, 13050), (2175, 12888), (2610, 10740), (2685, 10440), (2700, 10382), (2900, 9666), (3132, 8950), (3222, 8700), (3480, 8055), (3580, 7830), (3915, 7160), (4296, 6525), (4350, 6444), (4475, 6264), (4833, 5800), (5191, 5400), (5220, 5370)]