3988600

素因数分解:

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

素因数の和:78

約数の個数: 144

約数和(自身を含む): 12086280

約数和(自身を除く): 8097680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 25, 28, 35, 37, 40, 44, 49, 50, 55, 56, 70, 74, 77, 88, 98, 100, 110, 140, 148, 154, 175, 185, 196, 200, 220, 245, 259, 275, 280, 296, 308, 350, 370, 385, 392, 407, 440, 490, 518, 539, 550, 616, 700, 740, 770, 814, 925, 980, 1036, 1078, 1100, 1225, 1295, 1400, 1480, 1540, 1628, 1813, 1850, 1925, 1960, 2035, 2072, 2156, 2200, 2450, 2590, 2695, 2849, 3080, 3256, 3626, 3700, 3850, 4070, 4312, 4900, 5180, 5390, 5698, 6475, 7252, 7400, 7700, 8140, 9065, 9800, 10175, 10360, 10780, 11396, 12950, 13475, 14245, 14504, 15400, 16280, 18130, 19943, 20350, 21560, 22792, 25900, 26950, 28490, 36260, 39886, 40700, 45325, 51800, 53900, 56980, 71225, 72520, 79772, 81400, 90650, 99715, 107800, 113960, 142450, 159544, 181300, 199430, 284900, 362600, 398860, 498575, 569800, 797720, 997150, 1994300, 3988600]

約数ペア:

[(1, 3988600), (2, 1994300), (4, 997150), (5, 797720), (7, 569800), (8, 498575), (10, 398860), (11, 362600), (14, 284900), (20, 199430), (22, 181300), (25, 159544), (28, 142450), (35, 113960), (37, 107800), (40, 99715), (44, 90650), (49, 81400), (50, 79772), (55, 72520), (56, 71225), (70, 56980), (74, 53900), (77, 51800), (88, 45325), (98, 40700), (100, 39886), (110, 36260), (140, 28490), (148, 26950), (154, 25900), (175, 22792), (185, 21560), (196, 20350), (200, 19943), (220, 18130), (245, 16280), (259, 15400), (275, 14504), (280, 14245), (296, 13475), (308, 12950), (350, 11396), (370, 10780), (385, 10360), (392, 10175), (407, 9800), (440, 9065), (490, 8140), (518, 7700), (539, 7400), (550, 7252), (616, 6475), (700, 5698), (740, 5390), (770, 5180), (814, 4900), (925, 4312), (980, 4070), (1036, 3850), (1078, 3700), (1100, 3626), (1225, 3256), (1295, 3080), (1400, 2849), (1480, 2695), (1540, 2590), (1628, 2450), (1813, 2200), (1850, 2156), (1925, 2072), (1960, 2035)]