28570500

素因数分解:

$2^2\times 3^2\times 5^3\times 7^1\times {\mathrm{907}}^1$

素因数の和:939

約数の個数: 144

約数和(自身を含む): 103119744

約数和(自身を除く): 74549244

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 125, 126, 140, 150, 175, 180, 210, 225, 250, 252, 300, 315, 350, 375, 420, 450, 500, 525, 630, 700, 750, 875, 900, 907, 1050, 1125, 1260, 1500, 1575, 1750, 1814, 2100, 2250, 2625, 2721, 3150, 3500, 3628, 4500, 4535, 5250, 5442, 6300, 6349, 7875, 8163, 9070, 10500, 10884, 12698, 13605, 15750, 16326, 18140, 19047, 22675, 25396, 27210, 31500, 31745, 32652, 38094, 40815, 45350, 54420, 57141, 63490, 68025, 76188, 81630, 90700, 95235, 113375, 114282, 126980, 136050, 158725, 163260, 190470, 204075, 226750, 228564, 272100, 285705, 317450, 340125, 380940, 408150, 453500, 476175, 571410, 634900, 680250, 793625, 816300, 952350, 1020375, 1142820, 1360500, 1428525, 1587250, 1904700, 2040750, 2380875, 2857050, 3174500, 4081500, 4761750, 5714100, 7142625, 9523500, 14285250, 28570500]

約数ペア:

[(1, 28570500), (2, 14285250), (3, 9523500), (4, 7142625), (5, 5714100), (6, 4761750), (7, 4081500), (9, 3174500), (10, 2857050), (12, 2380875), (14, 2040750), (15, 1904700), (18, 1587250), (20, 1428525), (21, 1360500), (25, 1142820), (28, 1020375), (30, 952350), (35, 816300), (36, 793625), (42, 680250), (45, 634900), (50, 571410), (60, 476175), (63, 453500), (70, 408150), (75, 380940), (84, 340125), (90, 317450), (100, 285705), (105, 272100), (125, 228564), (126, 226750), (140, 204075), (150, 190470), (175, 163260), (180, 158725), (210, 136050), (225, 126980), (250, 114282), (252, 113375), (300, 95235), (315, 90700), (350, 81630), (375, 76188), (420, 68025), (450, 63490), (500, 57141), (525, 54420), (630, 45350), (700, 40815), (750, 38094), (875, 32652), (900, 31745), (907, 31500), (1050, 27210), (1125, 25396), (1260, 22675), (1500, 19047), (1575, 18140), (1750, 16326), (1814, 15750), (2100, 13605), (2250, 12698), (2625, 10884), (2721, 10500), (3150, 9070), (3500, 8163), (3628, 7875), (4500, 6349), (4535, 6300), (5250, 5442)]