318080000

素因数分解:

$2^{10}\times 5^4\times 7^1\times {\mathrm{71}}^1$

素因数の和:118

約数の個数: 220

約数和(自身を含む): 920855232

約数和(自身を除く): 602775232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 71, 80, 100, 112, 125, 128, 140, 142, 160, 175, 200, 224, 250, 256, 280, 284, 320, 350, 355, 400, 448, 497, 500, 512, 560, 568, 625, 640, 700, 710, 800, 875, 896, 994, 1000, 1024, 1120, 1136, 1250, 1280, 1400, 1420, 1600, 1750, 1775, 1792, 1988, 2000, 2240, 2272, 2485, 2500, 2560, 2800, 2840, 3200, 3500, 3550, 3584, 3976, 4000, 4375, 4480, 4544, 4970, 5000, 5120, 5600, 5680, 6400, 7000, 7100, 7168, 7952, 8000, 8750, 8875, 8960, 9088, 9940, 10000, 11200, 11360, 12425, 12800, 14000, 14200, 15904, 16000, 17500, 17750, 17920, 18176, 19880, 20000, 22400, 22720, 24850, 25600, 28000, 28400, 31808, 32000, 35000, 35500, 35840, 36352, 39760, 40000, 44375, 44800, 45440, 49700, 56000, 56800, 62125, 63616, 64000, 70000, 71000, 72704, 79520, 80000, 88750, 89600, 90880, 99400, 112000, 113600, 124250, 127232, 128000, 140000, 142000, 159040, 160000, 177500, 179200, 181760, 198800, 224000, 227200, 248500, 254464, 280000, 284000, 310625, 318080, 320000, 355000, 363520, 397600, 448000, 454400, 497000, 508928, 560000, 568000, 621250, 636160, 640000, 710000, 795200, 896000, 908800, 994000, 1120000, 1136000, 1242500, 1272320, 1420000, 1590400, 1817600, 1988000, 2240000, 2272000, 2485000, 2544640, 2840000, 3180800, 3976000, 4480000, 4544000, 4970000, 5680000, 6361600, 7952000, 9088000, 9940000, 11360000, 12723200, 15904000, 19880000, 22720000, 31808000, 39760000, 45440000, 63616000, 79520000, 159040000, 318080000]

約数ペア:

[(1, 318080000), (2, 159040000), (4, 79520000), (5, 63616000), (7, 45440000), (8, 39760000), (10, 31808000), (14, 22720000), (16, 19880000), (20, 15904000), (25, 12723200), (28, 11360000), (32, 9940000), (35, 9088000), (40, 7952000), (50, 6361600), (56, 5680000), (64, 4970000), (70, 4544000), (71, 4480000), (80, 3976000), (100, 3180800), (112, 2840000), (125, 2544640), (128, 2485000), (140, 2272000), (142, 2240000), (160, 1988000), (175, 1817600), (200, 1590400), (224, 1420000), (250, 1272320), (256, 1242500), (280, 1136000), (284, 1120000), (320, 994000), (350, 908800), (355, 896000), (400, 795200), (448, 710000), (497, 640000), (500, 636160), (512, 621250), (560, 568000), (568, 560000), (625, 508928), (640, 497000), (700, 454400), (710, 448000), (800, 397600), (875, 363520), (896, 355000), (994, 320000), (1000, 318080), (1024, 310625), (1120, 284000), (1136, 280000), (1250, 254464), (1280, 248500), (1400, 227200), (1420, 224000), (1600, 198800), (1750, 181760), (1775, 179200), (1792, 177500), (1988, 160000), (2000, 159040), (2240, 142000), (2272, 140000), (2485, 128000), (2500, 127232), (2560, 124250), (2800, 113600), (2840, 112000), (3200, 99400), (3500, 90880), (3550, 89600), (3584, 88750), (3976, 80000), (4000, 79520), (4375, 72704), (4480, 71000), (4544, 70000), (4970, 64000), (5000, 63616), (5120, 62125), (5600, 56800), (5680, 56000), (6400, 49700), (7000, 45440), (7100, 44800), (7168, 44375), (7952, 40000), (8000, 39760), (8750, 36352), (8875, 35840), (8960, 35500), (9088, 35000), (9940, 32000), (10000, 31808), (11200, 28400), (11360, 28000), (12425, 25600), (12800, 24850), (14000, 22720), (14200, 22400), (15904, 20000), (16000, 19880), (17500, 18176), (17750, 17920)]