2108400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{251}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 7749504

約数和(自身を除く): 5641104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 251, 280, 300, 336, 350, 400, 420, 502, 525, 560, 600, 700, 753, 840, 1004, 1050, 1200, 1255, 1400, 1506, 1680, 1757, 2008, 2100, 2510, 2800, 3012, 3514, 3765, 4016, 4200, 5020, 5271, 6024, 6275, 7028, 7530, 8400, 8785, 10040, 10542, 12048, 12550, 14056, 15060, 17570, 18825, 20080, 21084, 25100, 26355, 28112, 30120, 35140, 37650, 42168, 43925, 50200, 52710, 60240, 70280, 75300, 84336, 87850, 100400, 105420, 131775, 140560, 150600, 175700, 210840, 263550, 301200, 351400, 421680, 527100, 702800, 1054200, 2108400]

約数ペア:

[(1, 2108400), (2, 1054200), (3, 702800), (4, 527100), (5, 421680), (6, 351400), (7, 301200), (8, 263550), (10, 210840), (12, 175700), (14, 150600), (15, 140560), (16, 131775), (20, 105420), (21, 100400), (24, 87850), (25, 84336), (28, 75300), (30, 70280), (35, 60240), (40, 52710), (42, 50200), (48, 43925), (50, 42168), (56, 37650), (60, 35140), (70, 30120), (75, 28112), (80, 26355), (84, 25100), (100, 21084), (105, 20080), (112, 18825), (120, 17570), (140, 15060), (150, 14056), (168, 12550), (175, 12048), (200, 10542), (210, 10040), (240, 8785), (251, 8400), (280, 7530), (300, 7028), (336, 6275), (350, 6024), (400, 5271), (420, 5020), (502, 4200), (525, 4016), (560, 3765), (600, 3514), (700, 3012), (753, 2800), (840, 2510), (1004, 2100), (1050, 2008), (1200, 1757), (1255, 1680), (1400, 1506)]