9971500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 28383264

約数和(自身を除く): 18411764

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 37, 44, 49, 50, 55, 70, 74, 77, 98, 100, 110, 125, 140, 148, 154, 175, 185, 196, 220, 245, 250, 259, 275, 308, 350, 370, 385, 407, 490, 500, 518, 539, 550, 700, 740, 770, 814, 875, 925, 980, 1036, 1078, 1100, 1225, 1295, 1375, 1540, 1628, 1750, 1813, 1850, 1925, 2035, 2156, 2450, 2590, 2695, 2750, 2849, 3500, 3626, 3700, 3850, 4070, 4625, 4900, 5180, 5390, 5500, 5698, 6125, 6475, 7252, 7700, 8140, 9065, 9250, 9625, 10175, 10780, 11396, 12250, 12950, 13475, 14245, 18130, 18500, 19250, 19943, 20350, 24500, 25900, 26950, 28490, 32375, 36260, 38500, 39886, 40700, 45325, 50875, 53900, 56980, 64750, 67375, 71225, 79772, 90650, 99715, 101750, 129500, 134750, 142450, 181300, 199430, 203500, 226625, 269500, 284900, 356125, 398860, 453250, 498575, 712250, 906500, 997150, 1424500, 1994300, 2492875, 4985750, 9971500]

約数ペア:

[(1, 9971500), (2, 4985750), (4, 2492875), (5, 1994300), (7, 1424500), (10, 997150), (11, 906500), (14, 712250), (20, 498575), (22, 453250), (25, 398860), (28, 356125), (35, 284900), (37, 269500), (44, 226625), (49, 203500), (50, 199430), (55, 181300), (70, 142450), (74, 134750), (77, 129500), (98, 101750), (100, 99715), (110, 90650), (125, 79772), (140, 71225), (148, 67375), (154, 64750), (175, 56980), (185, 53900), (196, 50875), (220, 45325), (245, 40700), (250, 39886), (259, 38500), (275, 36260), (308, 32375), (350, 28490), (370, 26950), (385, 25900), (407, 24500), (490, 20350), (500, 19943), (518, 19250), (539, 18500), (550, 18130), (700, 14245), (740, 13475), (770, 12950), (814, 12250), (875, 11396), (925, 10780), (980, 10175), (1036, 9625), (1078, 9250), (1100, 9065), (1225, 8140), (1295, 7700), (1375, 7252), (1540, 6475), (1628, 6125), (1750, 5698), (1813, 5500), (1850, 5390), (1925, 5180), (2035, 4900), (2156, 4625), (2450, 4070), (2590, 3850), (2695, 3700), (2750, 3626), (2849, 3500)]