268000000

素因数分解:

$2^8\times 5^6\times {\mathrm{67}}^1$

素因数の和:113

約数の個数: 126

約数和(自身を含む): 678663188

約数和(自身を除く): 410663188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 67, 80, 100, 125, 128, 134, 160, 200, 250, 256, 268, 320, 335, 400, 500, 536, 625, 640, 670, 800, 1000, 1072, 1250, 1280, 1340, 1600, 1675, 2000, 2144, 2500, 2680, 3125, 3200, 3350, 4000, 4288, 5000, 5360, 6250, 6400, 6700, 8000, 8375, 8576, 10000, 10720, 12500, 13400, 15625, 16000, 16750, 17152, 20000, 21440, 25000, 26800, 31250, 32000, 33500, 40000, 41875, 42880, 50000, 53600, 62500, 67000, 80000, 83750, 85760, 100000, 107200, 125000, 134000, 160000, 167500, 200000, 209375, 214400, 250000, 268000, 335000, 400000, 418750, 428800, 500000, 536000, 670000, 800000, 837500, 1000000, 1046875, 1072000, 1340000, 1675000, 2000000, 2093750, 2144000, 2680000, 3350000, 4000000, 4187500, 5360000, 6700000, 8375000, 10720000, 13400000, 16750000, 26800000, 33500000, 53600000, 67000000, 134000000, 268000000]

約数ペア:

[(1, 268000000), (2, 134000000), (4, 67000000), (5, 53600000), (8, 33500000), (10, 26800000), (16, 16750000), (20, 13400000), (25, 10720000), (32, 8375000), (40, 6700000), (50, 5360000), (64, 4187500), (67, 4000000), (80, 3350000), (100, 2680000), (125, 2144000), (128, 2093750), (134, 2000000), (160, 1675000), (200, 1340000), (250, 1072000), (256, 1046875), (268, 1000000), (320, 837500), (335, 800000), (400, 670000), (500, 536000), (536, 500000), (625, 428800), (640, 418750), (670, 400000), (800, 335000), (1000, 268000), (1072, 250000), (1250, 214400), (1280, 209375), (1340, 200000), (1600, 167500), (1675, 160000), (2000, 134000), (2144, 125000), (2500, 107200), (2680, 100000), (3125, 85760), (3200, 83750), (3350, 80000), (4000, 67000), (4288, 62500), (5000, 53600), (5360, 50000), (6250, 42880), (6400, 41875), (6700, 40000), (8000, 33500), (8375, 32000), (8576, 31250), (10000, 26800), (10720, 25000), (12500, 21440), (13400, 20000), (15625, 17152), (16000, 16750)]