285428000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:548

約数の個数: 192

約数和(自身を含む): 825552000

約数和(自身を除く): 540124000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 32, 40, 44, 50, 52, 55, 65, 80, 88, 100, 104, 110, 125, 130, 143, 160, 176, 200, 208, 220, 250, 260, 275, 286, 325, 352, 400, 416, 440, 499, 500, 520, 550, 572, 650, 715, 800, 880, 998, 1000, 1040, 1100, 1144, 1300, 1375, 1430, 1625, 1760, 1996, 2000, 2080, 2200, 2288, 2495, 2600, 2750, 2860, 3250, 3575, 3992, 4000, 4400, 4576, 4990, 5200, 5489, 5500, 5720, 6487, 6500, 7150, 7984, 8800, 9980, 10400, 10978, 11000, 11440, 12475, 12974, 13000, 14300, 15968, 17875, 19960, 21956, 22000, 22880, 24950, 25948, 26000, 27445, 28600, 32435, 35750, 39920, 43912, 44000, 49900, 51896, 52000, 54890, 57200, 62375, 64870, 71357, 71500, 79840, 87824, 99800, 103792, 109780, 114400, 124750, 129740, 137225, 142714, 143000, 162175, 175648, 199600, 207584, 219560, 249500, 259480, 274450, 285428, 286000, 324350, 356785, 399200, 439120, 499000, 518960, 548900, 570856, 572000, 648700, 686125, 713570, 810875, 878240, 998000, 1037920, 1097800, 1141712, 1297400, 1372250, 1427140, 1621750, 1783925, 1996000, 2195600, 2283424, 2594800, 2744500, 2854280, 3243500, 3567850, 4391200, 5189600, 5489000, 5708560, 6487000, 7135700, 8919625, 10978000, 11417120, 12974000, 14271400, 17839250, 21956000, 25948000, 28542800, 35678500, 57085600, 71357000, 142714000, 285428000]

約数ペア:

[(1, 285428000), (2, 142714000), (4, 71357000), (5, 57085600), (8, 35678500), (10, 28542800), (11, 25948000), (13, 21956000), (16, 17839250), (20, 14271400), (22, 12974000), (25, 11417120), (26, 10978000), (32, 8919625), (40, 7135700), (44, 6487000), (50, 5708560), (52, 5489000), (55, 5189600), (65, 4391200), (80, 3567850), (88, 3243500), (100, 2854280), (104, 2744500), (110, 2594800), (125, 2283424), (130, 2195600), (143, 1996000), (160, 1783925), (176, 1621750), (200, 1427140), (208, 1372250), (220, 1297400), (250, 1141712), (260, 1097800), (275, 1037920), (286, 998000), (325, 878240), (352, 810875), (400, 713570), (416, 686125), (440, 648700), (499, 572000), (500, 570856), (520, 548900), (550, 518960), (572, 499000), (650, 439120), (715, 399200), (800, 356785), (880, 324350), (998, 286000), (1000, 285428), (1040, 274450), (1100, 259480), (1144, 249500), (1300, 219560), (1375, 207584), (1430, 199600), (1625, 175648), (1760, 162175), (1996, 143000), (2000, 142714), (2080, 137225), (2200, 129740), (2288, 124750), (2495, 114400), (2600, 109780), (2750, 103792), (2860, 99800), (3250, 87824), (3575, 79840), (3992, 71500), (4000, 71357), (4400, 64870), (4576, 62375), (4990, 57200), (5200, 54890), (5489, 52000), (5500, 51896), (5720, 49900), (6487, 44000), (6500, 43912), (7150, 39920), (7984, 35750), (8800, 32435), (9980, 28600), (10400, 27445), (10978, 26000), (11000, 25948), (11440, 24950), (12475, 22880), (12974, 22000), (13000, 21956), (14300, 19960), (15968, 17875)]