28749000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{37}}^2$

素因数の和:105

約数の個数: 192

約数和(自身を含む): 105356160

約数和(自身を除く): 76607160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 37, 40, 42, 50, 56, 60, 70, 74, 75, 84, 100, 105, 111, 120, 125, 140, 148, 150, 168, 175, 185, 200, 210, 222, 250, 259, 280, 296, 300, 350, 370, 375, 420, 444, 500, 518, 525, 555, 600, 700, 740, 750, 777, 840, 875, 888, 925, 1000, 1036, 1050, 1110, 1295, 1369, 1400, 1480, 1500, 1554, 1750, 1850, 2072, 2100, 2220, 2590, 2625, 2738, 2775, 3000, 3108, 3500, 3700, 3885, 4107, 4200, 4440, 4625, 5180, 5250, 5476, 5550, 6216, 6475, 6845, 7000, 7400, 7770, 8214, 9250, 9583, 10360, 10500, 10952, 11100, 12950, 13690, 13875, 15540, 16428, 18500, 19166, 19425, 20535, 21000, 22200, 25900, 27380, 27750, 28749, 31080, 32375, 32856, 34225, 37000, 38332, 38850, 41070, 47915, 51800, 54760, 55500, 57498, 64750, 68450, 76664, 77700, 82140, 95830, 97125, 102675, 111000, 114996, 129500, 136900, 143745, 155400, 164280, 171125, 191660, 194250, 205350, 229992, 239575, 259000, 273800, 287490, 342250, 383320, 388500, 410700, 479150, 513375, 574980, 684500, 718725, 777000, 821400, 958300, 1026750, 1149960, 1197875, 1369000, 1437450, 1916600, 2053500, 2395750, 2874900, 3593625, 4107000, 4791500, 5749800, 7187250, 9583000, 14374500, 28749000]

約数ペア:

[(1, 28749000), (2, 14374500), (3, 9583000), (4, 7187250), (5, 5749800), (6, 4791500), (7, 4107000), (8, 3593625), (10, 2874900), (12, 2395750), (14, 2053500), (15, 1916600), (20, 1437450), (21, 1369000), (24, 1197875), (25, 1149960), (28, 1026750), (30, 958300), (35, 821400), (37, 777000), (40, 718725), (42, 684500), (50, 574980), (56, 513375), (60, 479150), (70, 410700), (74, 388500), (75, 383320), (84, 342250), (100, 287490), (105, 273800), (111, 259000), (120, 239575), (125, 229992), (140, 205350), (148, 194250), (150, 191660), (168, 171125), (175, 164280), (185, 155400), (200, 143745), (210, 136900), (222, 129500), (250, 114996), (259, 111000), (280, 102675), (296, 97125), (300, 95830), (350, 82140), (370, 77700), (375, 76664), (420, 68450), (444, 64750), (500, 57498), (518, 55500), (525, 54760), (555, 51800), (600, 47915), (700, 41070), (740, 38850), (750, 38332), (777, 37000), (840, 34225), (875, 32856), (888, 32375), (925, 31080), (1000, 28749), (1036, 27750), (1050, 27380), (1110, 25900), (1295, 22200), (1369, 21000), (1400, 20535), (1480, 19425), (1500, 19166), (1554, 18500), (1750, 16428), (1850, 15540), (2072, 13875), (2100, 13690), (2220, 12950), (2590, 11100), (2625, 10952), (2738, 10500), (2775, 10360), (3000, 9583), (3108, 9250), (3500, 8214), (3700, 7770), (3885, 7400), (4107, 7000), (4200, 6845), (4440, 6475), (4625, 6216), (5180, 5550), (5250, 5476)]