3957800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 11517120

約数和(自身を除く): 7559320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 40, 44, 50, 55, 56, 70, 77, 88, 100, 110, 140, 154, 175, 200, 220, 257, 275, 280, 308, 350, 385, 440, 514, 550, 616, 700, 770, 1028, 1100, 1285, 1400, 1540, 1799, 1925, 2056, 2200, 2570, 2827, 3080, 3598, 3850, 5140, 5654, 6425, 7196, 7700, 8995, 10280, 11308, 12850, 14135, 14392, 15400, 17990, 19789, 22616, 25700, 28270, 35980, 39578, 44975, 51400, 56540, 70675, 71960, 79156, 89950, 98945, 113080, 141350, 158312, 179900, 197890, 282700, 359800, 395780, 494725, 565400, 791560, 989450, 1978900, 3957800]

約数ペア:

[(1, 3957800), (2, 1978900), (4, 989450), (5, 791560), (7, 565400), (8, 494725), (10, 395780), (11, 359800), (14, 282700), (20, 197890), (22, 179900), (25, 158312), (28, 141350), (35, 113080), (40, 98945), (44, 89950), (50, 79156), (55, 71960), (56, 70675), (70, 56540), (77, 51400), (88, 44975), (100, 39578), (110, 35980), (140, 28270), (154, 25700), (175, 22616), (200, 19789), (220, 17990), (257, 15400), (275, 14392), (280, 14135), (308, 12850), (350, 11308), (385, 10280), (440, 8995), (514, 7700), (550, 7196), (616, 6425), (700, 5654), (770, 5140), (1028, 3850), (1100, 3598), (1285, 3080), (1400, 2827), (1540, 2570), (1799, 2200), (1925, 2056)]