28151200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 85869504

約数和(自身を除く): 57718304

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 70, 77, 80, 88, 100, 110, 112, 140, 154, 160, 175, 176, 200, 220, 224, 275, 280, 308, 350, 352, 385, 400, 440, 457, 550, 560, 616, 700, 770, 800, 880, 914, 1100, 1120, 1232, 1400, 1540, 1760, 1828, 1925, 2200, 2285, 2464, 2800, 3080, 3199, 3656, 3850, 4400, 4570, 5027, 5600, 6160, 6398, 7312, 7700, 8800, 9140, 10054, 11425, 12320, 12796, 14624, 15400, 15995, 18280, 20108, 22850, 25135, 25592, 30800, 31990, 35189, 36560, 40216, 45700, 50270, 51184, 61600, 63980, 70378, 73120, 79975, 80432, 91400, 100540, 102368, 125675, 127960, 140756, 159950, 160864, 175945, 182800, 201080, 251350, 255920, 281512, 319900, 351890, 365600, 402160, 502700, 511840, 563024, 639800, 703780, 804320, 879725, 1005400, 1126048, 1279600, 1407560, 1759450, 2010800, 2559200, 2815120, 3518900, 4021600, 5630240, 7037800, 14075600, 28151200]

約数ペア:

[(1, 28151200), (2, 14075600), (4, 7037800), (5, 5630240), (7, 4021600), (8, 3518900), (10, 2815120), (11, 2559200), (14, 2010800), (16, 1759450), (20, 1407560), (22, 1279600), (25, 1126048), (28, 1005400), (32, 879725), (35, 804320), (40, 703780), (44, 639800), (50, 563024), (55, 511840), (56, 502700), (70, 402160), (77, 365600), (80, 351890), (88, 319900), (100, 281512), (110, 255920), (112, 251350), (140, 201080), (154, 182800), (160, 175945), (175, 160864), (176, 159950), (200, 140756), (220, 127960), (224, 125675), (275, 102368), (280, 100540), (308, 91400), (350, 80432), (352, 79975), (385, 73120), (400, 70378), (440, 63980), (457, 61600), (550, 51184), (560, 50270), (616, 45700), (700, 40216), (770, 36560), (800, 35189), (880, 31990), (914, 30800), (1100, 25592), (1120, 25135), (1232, 22850), (1400, 20108), (1540, 18280), (1760, 15995), (1828, 15400), (1925, 14624), (2200, 12796), (2285, 12320), (2464, 11425), (2800, 10054), (3080, 9140), (3199, 8800), (3656, 7700), (3850, 7312), (4400, 6398), (4570, 6160), (5027, 5600)]