421694000

素因数分解:

$2^4\times 5^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 240

約数和(自身を含む): 1281230496

約数和(自身を除く): 859536496

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 49, 50, 52, 56, 65, 70, 80, 91, 98, 100, 104, 112, 125, 130, 140, 175, 182, 196, 200, 208, 245, 250, 260, 280, 325, 331, 350, 364, 392, 400, 455, 490, 500, 520, 560, 637, 650, 662, 700, 728, 784, 875, 910, 980, 1000, 1040, 1225, 1274, 1300, 1324, 1400, 1456, 1625, 1655, 1750, 1820, 1960, 2000, 2275, 2317, 2450, 2548, 2600, 2648, 2800, 3185, 3250, 3310, 3500, 3640, 3920, 4303, 4550, 4634, 4900, 5096, 5200, 5296, 6125, 6370, 6500, 6620, 7000, 7280, 8275, 8606, 9100, 9268, 9800, 10192, 11375, 11585, 12250, 12740, 13000, 13240, 14000, 15925, 16219, 16550, 17212, 18200, 18536, 19600, 21515, 22750, 23170, 24500, 25480, 26000, 26480, 30121, 31850, 32438, 33100, 34424, 36400, 37072, 41375, 43030, 45500, 46340, 49000, 50960, 57925, 60242, 63700, 64876, 66200, 68848, 79625, 81095, 82750, 86060, 91000, 92680, 98000, 107575, 115850, 120484, 127400, 129752, 132400, 150605, 159250, 162190, 165500, 172120, 182000, 185360, 210847, 215150, 231700, 240968, 254800, 259504, 289625, 301210, 318500, 324380, 331000, 344240, 405475, 421694, 430300, 463400, 481936, 537875, 579250, 602420, 637000, 648760, 662000, 753025, 810950, 843388, 860600, 926800, 1054235, 1075750, 1158500, 1204840, 1274000, 1297520, 1506050, 1621900, 1686776, 1721200, 2027375, 2108470, 2151500, 2317000, 2409680, 3012100, 3243800, 3373552, 3765125, 4054750, 4216940, 4303000, 4634000, 5271175, 6024200, 6487600, 7530250, 8109500, 8433880, 8606000, 10542350, 12048400, 15060500, 16219000, 16867760, 21084700, 26355875, 30121000, 32438000, 42169400, 52711750, 60242000, 84338800, 105423500, 210847000, 421694000]

約数ペア:

[(1, 421694000), (2, 210847000), (4, 105423500), (5, 84338800), (7, 60242000), (8, 52711750), (10, 42169400), (13, 32438000), (14, 30121000), (16, 26355875), (20, 21084700), (25, 16867760), (26, 16219000), (28, 15060500), (35, 12048400), (40, 10542350), (49, 8606000), (50, 8433880), (52, 8109500), (56, 7530250), (65, 6487600), (70, 6024200), (80, 5271175), (91, 4634000), (98, 4303000), (100, 4216940), (104, 4054750), (112, 3765125), (125, 3373552), (130, 3243800), (140, 3012100), (175, 2409680), (182, 2317000), (196, 2151500), (200, 2108470), (208, 2027375), (245, 1721200), (250, 1686776), (260, 1621900), (280, 1506050), (325, 1297520), (331, 1274000), (350, 1204840), (364, 1158500), (392, 1075750), (400, 1054235), (455, 926800), (490, 860600), (500, 843388), (520, 810950), (560, 753025), (637, 662000), (650, 648760), (662, 637000), (700, 602420), (728, 579250), (784, 537875), (875, 481936), (910, 463400), (980, 430300), (1000, 421694), (1040, 405475), (1225, 344240), (1274, 331000), (1300, 324380), (1324, 318500), (1400, 301210), (1456, 289625), (1625, 259504), (1655, 254800), (1750, 240968), (1820, 231700), (1960, 215150), (2000, 210847), (2275, 185360), (2317, 182000), (2450, 172120), (2548, 165500), (2600, 162190), (2648, 159250), (2800, 150605), (3185, 132400), (3250, 129752), (3310, 127400), (3500, 120484), (3640, 115850), (3920, 107575), (4303, 98000), (4550, 92680), (4634, 91000), (4900, 86060), (5096, 82750), (5200, 81095), (5296, 79625), (6125, 68848), (6370, 66200), (6500, 64876), (6620, 63700), (7000, 60242), (7280, 57925), (8275, 50960), (8606, 49000), (9100, 46340), (9268, 45500), (9800, 43030), (10192, 41375), (11375, 37072), (11585, 36400), (12250, 34424), (12740, 33100), (13000, 32438), (13240, 31850), (14000, 30121), (15925, 26480), (16219, 26000), (16550, 25480), (17212, 24500), (18200, 23170), (18536, 22750), (19600, 21515)]