278320000

素因数分解:

$2^7\times 5^4\times 7^2\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 240

約数和(自身を含む): 817332120

約数和(自身を除く): 539012120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 71, 80, 98, 100, 112, 125, 128, 140, 142, 160, 175, 196, 200, 224, 245, 250, 280, 284, 320, 350, 355, 392, 400, 448, 490, 497, 500, 560, 568, 625, 640, 700, 710, 784, 800, 875, 896, 980, 994, 1000, 1120, 1136, 1225, 1250, 1400, 1420, 1568, 1600, 1750, 1775, 1960, 1988, 2000, 2240, 2272, 2450, 2485, 2500, 2800, 2840, 3136, 3200, 3479, 3500, 3550, 3920, 3976, 4000, 4375, 4480, 4544, 4900, 4970, 5000, 5600, 5680, 6125, 6272, 6958, 7000, 7100, 7840, 7952, 8000, 8750, 8875, 9088, 9800, 9940, 10000, 11200, 11360, 12250, 12425, 13916, 14000, 14200, 15680, 15904, 16000, 17395, 17500, 17750, 19600, 19880, 20000, 22400, 22720, 24500, 24850, 27832, 28000, 28400, 30625, 31360, 31808, 34790, 35000, 35500, 39200, 39760, 40000, 44375, 45440, 49000, 49700, 55664, 56000, 56800, 61250, 62125, 63616, 69580, 70000, 71000, 78400, 79520, 80000, 86975, 88750, 98000, 99400, 111328, 112000, 113600, 122500, 124250, 139160, 140000, 142000, 156800, 159040, 173950, 177500, 196000, 198800, 222656, 227200, 245000, 248500, 278320, 280000, 284000, 310625, 318080, 347900, 355000, 392000, 397600, 434875, 445312, 490000, 497000, 556640, 560000, 568000, 621250, 695800, 710000, 784000, 795200, 869750, 980000, 994000, 1113280, 1136000, 1242500, 1391600, 1420000, 1590400, 1739500, 1960000, 1988000, 2174375, 2226560, 2485000, 2783200, 2840000, 3479000, 3920000, 3976000, 4348750, 4970000, 5566400, 5680000, 6958000, 7952000, 8697500, 9940000, 11132800, 13916000, 17395000, 19880000, 27832000, 34790000, 39760000, 55664000, 69580000, 139160000, 278320000]

約数ペア:

[(1, 278320000), (2, 139160000), (4, 69580000), (5, 55664000), (7, 39760000), (8, 34790000), (10, 27832000), (14, 19880000), (16, 17395000), (20, 13916000), (25, 11132800), (28, 9940000), (32, 8697500), (35, 7952000), (40, 6958000), (49, 5680000), (50, 5566400), (56, 4970000), (64, 4348750), (70, 3976000), (71, 3920000), (80, 3479000), (98, 2840000), (100, 2783200), (112, 2485000), (125, 2226560), (128, 2174375), (140, 1988000), (142, 1960000), (160, 1739500), (175, 1590400), (196, 1420000), (200, 1391600), (224, 1242500), (245, 1136000), (250, 1113280), (280, 994000), (284, 980000), (320, 869750), (350, 795200), (355, 784000), (392, 710000), (400, 695800), (448, 621250), (490, 568000), (497, 560000), (500, 556640), (560, 497000), (568, 490000), (625, 445312), (640, 434875), (700, 397600), (710, 392000), (784, 355000), (800, 347900), (875, 318080), (896, 310625), (980, 284000), (994, 280000), (1000, 278320), (1120, 248500), (1136, 245000), (1225, 227200), (1250, 222656), (1400, 198800), (1420, 196000), (1568, 177500), (1600, 173950), (1750, 159040), (1775, 156800), (1960, 142000), (1988, 140000), (2000, 139160), (2240, 124250), (2272, 122500), (2450, 113600), (2485, 112000), (2500, 111328), (2800, 99400), (2840, 98000), (3136, 88750), (3200, 86975), (3479, 80000), (3500, 79520), (3550, 78400), (3920, 71000), (3976, 70000), (4000, 69580), (4375, 63616), (4480, 62125), (4544, 61250), (4900, 56800), (4970, 56000), (5000, 55664), (5600, 49700), (5680, 49000), (6125, 45440), (6272, 44375), (6958, 40000), (7000, 39760), (7100, 39200), (7840, 35500), (7952, 35000), (8000, 34790), (8750, 31808), (8875, 31360), (9088, 30625), (9800, 28400), (9940, 28000), (10000, 27832), (11200, 24850), (11360, 24500), (12250, 22720), (12425, 22400), (13916, 20000), (14000, 19880), (14200, 19600), (15680, 17750), (15904, 17500), (16000, 17395)]