28030800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 240

約数和(自身を含む): 106278912

約数和(自身を除く): 78248112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 47, 48, 50, 56, 60, 70, 71, 75, 80, 84, 94, 100, 105, 112, 120, 140, 141, 142, 150, 168, 175, 188, 200, 210, 213, 235, 240, 280, 282, 284, 300, 329, 336, 350, 355, 376, 400, 420, 426, 470, 497, 525, 560, 564, 568, 600, 658, 700, 705, 710, 752, 840, 852, 940, 987, 994, 1050, 1065, 1128, 1136, 1175, 1200, 1316, 1400, 1410, 1420, 1491, 1645, 1680, 1704, 1775, 1880, 1974, 1988, 2100, 2130, 2256, 2350, 2485, 2632, 2800, 2820, 2840, 2982, 3290, 3337, 3408, 3525, 3550, 3760, 3948, 3976, 4200, 4260, 4700, 4935, 4970, 5264, 5325, 5640, 5680, 5964, 6580, 6674, 7050, 7100, 7455, 7896, 7952, 8225, 8400, 8520, 9400, 9870, 9940, 10011, 10650, 11280, 11928, 12425, 13160, 13348, 14100, 14200, 14910, 15792, 16450, 16685, 17040, 18800, 19740, 19880, 20022, 21300, 23359, 23856, 24675, 24850, 26320, 26696, 28200, 28400, 29820, 32900, 33370, 37275, 39480, 39760, 40044, 42600, 46718, 49350, 49700, 50055, 53392, 56400, 59640, 65800, 66740, 70077, 74550, 78960, 80088, 83425, 85200, 93436, 98700, 99400, 100110, 116795, 119280, 131600, 133480, 140154, 149100, 160176, 166850, 186872, 197400, 198800, 200220, 233590, 250275, 266960, 280308, 298200, 333700, 350385, 373744, 394800, 400440, 467180, 500550, 560616, 583975, 596400, 667400, 700770, 800880, 934360, 1001100, 1121232, 1167950, 1334800, 1401540, 1751925, 1868720, 2002200, 2335900, 2803080, 3503850, 4004400, 4671800, 5606160, 7007700, 9343600, 14015400, 28030800]

約数ペア:

[(1, 28030800), (2, 14015400), (3, 9343600), (4, 7007700), (5, 5606160), (6, 4671800), (7, 4004400), (8, 3503850), (10, 2803080), (12, 2335900), (14, 2002200), (15, 1868720), (16, 1751925), (20, 1401540), (21, 1334800), (24, 1167950), (25, 1121232), (28, 1001100), (30, 934360), (35, 800880), (40, 700770), (42, 667400), (47, 596400), (48, 583975), (50, 560616), (56, 500550), (60, 467180), (70, 400440), (71, 394800), (75, 373744), (80, 350385), (84, 333700), (94, 298200), (100, 280308), (105, 266960), (112, 250275), (120, 233590), (140, 200220), (141, 198800), (142, 197400), (150, 186872), (168, 166850), (175, 160176), (188, 149100), (200, 140154), (210, 133480), (213, 131600), (235, 119280), (240, 116795), (280, 100110), (282, 99400), (284, 98700), (300, 93436), (329, 85200), (336, 83425), (350, 80088), (355, 78960), (376, 74550), (400, 70077), (420, 66740), (426, 65800), (470, 59640), (497, 56400), (525, 53392), (560, 50055), (564, 49700), (568, 49350), (600, 46718), (658, 42600), (700, 40044), (705, 39760), (710, 39480), (752, 37275), (840, 33370), (852, 32900), (940, 29820), (987, 28400), (994, 28200), (1050, 26696), (1065, 26320), (1128, 24850), (1136, 24675), (1175, 23856), (1200, 23359), (1316, 21300), (1400, 20022), (1410, 19880), (1420, 19740), (1491, 18800), (1645, 17040), (1680, 16685), (1704, 16450), (1775, 15792), (1880, 14910), (1974, 14200), (1988, 14100), (2100, 13348), (2130, 13160), (2256, 12425), (2350, 11928), (2485, 11280), (2632, 10650), (2800, 10011), (2820, 9940), (2840, 9870), (2982, 9400), (3290, 8520), (3337, 8400), (3408, 8225), (3525, 7952), (3550, 7896), (3760, 7455), (3948, 7100), (3976, 7050), (4200, 6674), (4260, 6580), (4700, 5964), (4935, 5680), (4970, 5640), (5264, 5325)]