18672500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 51433536

約数和(自身を除く): 32761036

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 97, 100, 110, 125, 140, 154, 175, 194, 220, 250, 275, 308, 350, 385, 388, 485, 500, 550, 625, 679, 700, 770, 875, 970, 1067, 1100, 1250, 1358, 1375, 1540, 1750, 1925, 1940, 2134, 2425, 2500, 2716, 2750, 3395, 3500, 3850, 4268, 4375, 4850, 5335, 5500, 6790, 6875, 7469, 7700, 8750, 9625, 9700, 10670, 12125, 13580, 13750, 14938, 16975, 17500, 19250, 21340, 24250, 26675, 27500, 29876, 33950, 37345, 38500, 48125, 48500, 53350, 60625, 67900, 74690, 84875, 96250, 106700, 121250, 133375, 149380, 169750, 186725, 192500, 242500, 266750, 339500, 373450, 424375, 533500, 666875, 746900, 848750, 933625, 1333750, 1697500, 1867250, 2667500, 3734500, 4668125, 9336250, 18672500]

約数ペア:

[(1, 18672500), (2, 9336250), (4, 4668125), (5, 3734500), (7, 2667500), (10, 1867250), (11, 1697500), (14, 1333750), (20, 933625), (22, 848750), (25, 746900), (28, 666875), (35, 533500), (44, 424375), (50, 373450), (55, 339500), (70, 266750), (77, 242500), (97, 192500), (100, 186725), (110, 169750), (125, 149380), (140, 133375), (154, 121250), (175, 106700), (194, 96250), (220, 84875), (250, 74690), (275, 67900), (308, 60625), (350, 53350), (385, 48500), (388, 48125), (485, 38500), (500, 37345), (550, 33950), (625, 29876), (679, 27500), (700, 26675), (770, 24250), (875, 21340), (970, 19250), (1067, 17500), (1100, 16975), (1250, 14938), (1358, 13750), (1375, 13580), (1540, 12125), (1750, 10670), (1925, 9700), (1940, 9625), (2134, 8750), (2425, 7700), (2500, 7469), (2716, 6875), (2750, 6790), (3395, 5500), (3500, 5335), (3850, 4850), (4268, 4375)]