28270000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 100

約数和(自身を含む): 74957256

約数和(自身を除く): 46687256

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 257, 275, 400, 440, 500, 514, 550, 625, 880, 1000, 1028, 1100, 1250, 1285, 1375, 2000, 2056, 2200, 2500, 2570, 2750, 2827, 4112, 4400, 5000, 5140, 5500, 5654, 6425, 6875, 10000, 10280, 11000, 11308, 12850, 13750, 14135, 20560, 22000, 22616, 25700, 27500, 28270, 32125, 45232, 51400, 55000, 56540, 64250, 70675, 102800, 110000, 113080, 128500, 141350, 160625, 226160, 257000, 282700, 321250, 353375, 514000, 565400, 642500, 706750, 1130800, 1285000, 1413500, 1766875, 2570000, 2827000, 3533750, 5654000, 7067500, 14135000, 28270000]

約数ペア:

[(1, 28270000), (2, 14135000), (4, 7067500), (5, 5654000), (8, 3533750), (10, 2827000), (11, 2570000), (16, 1766875), (20, 1413500), (22, 1285000), (25, 1130800), (40, 706750), (44, 642500), (50, 565400), (55, 514000), (80, 353375), (88, 321250), (100, 282700), (110, 257000), (125, 226160), (176, 160625), (200, 141350), (220, 128500), (250, 113080), (257, 110000), (275, 102800), (400, 70675), (440, 64250), (500, 56540), (514, 55000), (550, 51400), (625, 45232), (880, 32125), (1000, 28270), (1028, 27500), (1100, 25700), (1250, 22616), (1285, 22000), (1375, 20560), (2000, 14135), (2056, 13750), (2200, 12850), (2500, 11308), (2570, 11000), (2750, 10280), (2827, 10000), (4112, 6875), (4400, 6425), (5000, 5654), (5140, 5500)]