198800000

素因数分解:

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

素因数の和:117

約数の個数: 192

約数和(自身を含む): 573713280

約数和(自身を除く): 374913280

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, 280, 284, 320, 350, 355, 400, 448, 497, 500, 560, 568, 625, 640, 700, 710, 800, 875, 896, 994, 1000, 1120, 1136, 1250, 1400, 1420, 1600, 1750, 1775, 1988, 2000, 2240, 2272, 2485, 2500, 2800, 2840, 3125, 3200, 3500, 3550, 3976, 4000, 4375, 4480, 4544, 4970, 5000, 5600, 5680, 6250, 7000, 7100, 7952, 8000, 8750, 8875, 9088, 9940, 10000, 11200, 11360, 12425, 12500, 14000, 14200, 15904, 16000, 17500, 17750, 19880, 20000, 21875, 22400, 22720, 24850, 25000, 28000, 28400, 31808, 35000, 35500, 39760, 40000, 43750, 44375, 45440, 49700, 50000, 56000, 56800, 62125, 63616, 70000, 71000, 79520, 80000, 87500, 88750, 99400, 100000, 112000, 113600, 124250, 140000, 142000, 159040, 175000, 177500, 198800, 200000, 221875, 227200, 248500, 280000, 284000, 310625, 318080, 350000, 355000, 397600, 400000, 443750, 497000, 560000, 568000, 621250, 700000, 710000, 795200, 887500, 994000, 1136000, 1242500, 1400000, 1420000, 1553125, 1590400, 1775000, 1988000, 2485000, 2800000, 2840000, 3106250, 3550000, 3976000, 4970000, 5680000, 6212500, 7100000, 7952000, 9940000, 12425000, 14200000, 19880000, 24850000, 28400000, 39760000, 49700000, 99400000, 198800000]

約数ペア:

[(1, 198800000), (2, 99400000), (4, 49700000), (5, 39760000), (7, 28400000), (8, 24850000), (10, 19880000), (14, 14200000), (16, 12425000), (20, 9940000), (25, 7952000), (28, 7100000), (32, 6212500), (35, 5680000), (40, 4970000), (50, 3976000), (56, 3550000), (64, 3106250), (70, 2840000), (71, 2800000), (80, 2485000), (100, 1988000), (112, 1775000), (125, 1590400), (128, 1553125), (140, 1420000), (142, 1400000), (160, 1242500), (175, 1136000), (200, 994000), (224, 887500), (250, 795200), (280, 710000), (284, 700000), (320, 621250), (350, 568000), (355, 560000), (400, 497000), (448, 443750), (497, 400000), (500, 397600), (560, 355000), (568, 350000), (625, 318080), (640, 310625), (700, 284000), (710, 280000), (800, 248500), (875, 227200), (896, 221875), (994, 200000), (1000, 198800), (1120, 177500), (1136, 175000), (1250, 159040), (1400, 142000), (1420, 140000), (1600, 124250), (1750, 113600), (1775, 112000), (1988, 100000), (2000, 99400), (2240, 88750), (2272, 87500), (2485, 80000), (2500, 79520), (2800, 71000), (2840, 70000), (3125, 63616), (3200, 62125), (3500, 56800), (3550, 56000), (3976, 50000), (4000, 49700), (4375, 45440), (4480, 44375), (4544, 43750), (4970, 40000), (5000, 39760), (5600, 35500), (5680, 35000), (6250, 31808), (7000, 28400), (7100, 28000), (7952, 25000), (8000, 24850), (8750, 22720), (8875, 22400), (9088, 21875), (9940, 20000), (10000, 19880), (11200, 17750), (11360, 17500), (12425, 16000), (12500, 15904), (14000, 14200)]