28072000

素因数分解:

$2^6\times 5^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 168

約数和(自身を含む): 79049880

約数和(自身を除く): 50977880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 29, 32, 40, 44, 50, 55, 58, 64, 80, 88, 100, 110, 116, 121, 125, 145, 160, 176, 200, 220, 232, 242, 250, 275, 290, 319, 320, 352, 400, 440, 464, 484, 500, 550, 580, 605, 638, 704, 725, 800, 880, 928, 968, 1000, 1100, 1160, 1210, 1276, 1375, 1450, 1595, 1600, 1760, 1856, 1936, 2000, 2200, 2320, 2420, 2552, 2750, 2900, 3025, 3190, 3509, 3520, 3625, 3872, 4000, 4400, 4640, 4840, 5104, 5500, 5800, 6050, 6380, 7018, 7250, 7744, 7975, 8000, 8800, 9280, 9680, 10208, 11000, 11600, 12100, 12760, 14036, 14500, 15125, 15950, 17545, 17600, 19360, 20416, 22000, 23200, 24200, 25520, 28072, 29000, 30250, 31900, 35090, 38720, 39875, 44000, 46400, 48400, 51040, 56144, 58000, 60500, 63800, 70180, 79750, 87725, 88000, 96800, 102080, 112288, 116000, 121000, 127600, 140360, 159500, 175450, 193600, 224576, 232000, 242000, 255200, 280720, 319000, 350900, 438625, 484000, 510400, 561440, 638000, 701800, 877250, 968000, 1122880, 1276000, 1403600, 1754500, 2552000, 2807200, 3509000, 5614400, 7018000, 14036000, 28072000]

約数ペア:

[(1, 28072000), (2, 14036000), (4, 7018000), (5, 5614400), (8, 3509000), (10, 2807200), (11, 2552000), (16, 1754500), (20, 1403600), (22, 1276000), (25, 1122880), (29, 968000), (32, 877250), (40, 701800), (44, 638000), (50, 561440), (55, 510400), (58, 484000), (64, 438625), (80, 350900), (88, 319000), (100, 280720), (110, 255200), (116, 242000), (121, 232000), (125, 224576), (145, 193600), (160, 175450), (176, 159500), (200, 140360), (220, 127600), (232, 121000), (242, 116000), (250, 112288), (275, 102080), (290, 96800), (319, 88000), (320, 87725), (352, 79750), (400, 70180), (440, 63800), (464, 60500), (484, 58000), (500, 56144), (550, 51040), (580, 48400), (605, 46400), (638, 44000), (704, 39875), (725, 38720), (800, 35090), (880, 31900), (928, 30250), (968, 29000), (1000, 28072), (1100, 25520), (1160, 24200), (1210, 23200), (1276, 22000), (1375, 20416), (1450, 19360), (1595, 17600), (1600, 17545), (1760, 15950), (1856, 15125), (1936, 14500), (2000, 14036), (2200, 12760), (2320, 12100), (2420, 11600), (2552, 11000), (2750, 10208), (2900, 9680), (3025, 9280), (3190, 8800), (3509, 8000), (3520, 7975), (3625, 7744), (3872, 7250), (4000, 7018), (4400, 6380), (4640, 6050), (4840, 5800), (5104, 5500)]