28374500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 79008384

約数和(自身を除く): 50633884

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 67, 70, 77, 100, 110, 121, 125, 134, 140, 154, 175, 220, 242, 250, 268, 275, 308, 335, 350, 385, 469, 484, 500, 550, 605, 670, 700, 737, 770, 847, 875, 938, 1100, 1210, 1340, 1375, 1474, 1540, 1675, 1694, 1750, 1876, 1925, 2345, 2420, 2750, 2948, 3025, 3350, 3388, 3500, 3685, 3850, 4235, 4690, 5159, 5500, 6050, 6700, 7370, 7700, 8107, 8375, 8470, 9380, 9625, 10318, 11725, 12100, 14740, 15125, 16214, 16750, 16940, 18425, 19250, 20636, 21175, 23450, 25795, 30250, 32428, 33500, 36850, 38500, 40535, 42350, 46900, 51590, 56749, 58625, 60500, 73700, 81070, 84700, 92125, 103180, 105875, 113498, 117250, 128975, 162140, 184250, 202675, 211750, 226996, 234500, 257950, 283745, 368500, 405350, 423500, 515900, 567490, 644875, 810700, 1013375, 1134980, 1289750, 1418725, 2026750, 2579500, 2837450, 4053500, 5674900, 7093625, 14187250, 28374500]

約数ペア:

[(1, 28374500), (2, 14187250), (4, 7093625), (5, 5674900), (7, 4053500), (10, 2837450), (11, 2579500), (14, 2026750), (20, 1418725), (22, 1289750), (25, 1134980), (28, 1013375), (35, 810700), (44, 644875), (50, 567490), (55, 515900), (67, 423500), (70, 405350), (77, 368500), (100, 283745), (110, 257950), (121, 234500), (125, 226996), (134, 211750), (140, 202675), (154, 184250), (175, 162140), (220, 128975), (242, 117250), (250, 113498), (268, 105875), (275, 103180), (308, 92125), (335, 84700), (350, 81070), (385, 73700), (469, 60500), (484, 58625), (500, 56749), (550, 51590), (605, 46900), (670, 42350), (700, 40535), (737, 38500), (770, 36850), (847, 33500), (875, 32428), (938, 30250), (1100, 25795), (1210, 23450), (1340, 21175), (1375, 20636), (1474, 19250), (1540, 18425), (1675, 16940), (1694, 16750), (1750, 16214), (1876, 15125), (1925, 14740), (2345, 12100), (2420, 11725), (2750, 10318), (2948, 9625), (3025, 9380), (3350, 8470), (3388, 8375), (3500, 8107), (3685, 7700), (3850, 7370), (4235, 6700), (4690, 6050), (5159, 5500)]