4970000000

素因数分解:

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

素因数の和:127

約数の個数: 256

約数和(自身を含む): 14343713280

約数和(自身を除く): 9373713280

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, 15625, 15904, 16000, 17500, 17750, 19880, 20000, 21875, 22400, 22720, 24850, 25000, 28000, 28400, 31250, 31808, 35000, 35500, 39760, 40000, 43750, 44375, 45440, 49700, 50000, 56000, 56800, 62125, 62500, 63616, 70000, 71000, 78125, 79520, 80000, 87500, 88750, 99400, 100000, 109375, 112000, 113600, 124250, 125000, 140000, 142000, 156250, 159040, 175000, 177500, 198800, 200000, 218750, 221875, 227200, 248500, 250000, 280000, 284000, 310625, 312500, 318080, 350000, 355000, 397600, 400000, 437500, 443750, 497000, 500000, 546875, 560000, 568000, 621250, 625000, 700000, 710000, 795200, 875000, 887500, 994000, 1000000, 1093750, 1109375, 1136000, 1242500, 1250000, 1400000, 1420000, 1553125, 1590400, 1750000, 1775000, 1988000, 2000000, 2187500, 2218750, 2485000, 2500000, 2800000, 2840000, 3106250, 3500000, 3550000, 3976000, 4375000, 4437500, 4970000, 5000000, 5546875, 5680000, 6212500, 7000000, 7100000, 7765625, 7952000, 8750000, 8875000, 9940000, 10000000, 11093750, 12425000, 14000000, 14200000, 15531250, 17500000, 17750000, 19880000, 22187500, 24850000, 28400000, 31062500, 35000000, 35500000, 38828125, 39760000, 44375000, 49700000, 62125000, 70000000, 71000000, 77656250, 88750000, 99400000, 124250000, 142000000, 155312500, 177500000, 198800000, 248500000, 310625000, 355000000, 497000000, 621250000, 710000000, 994000000, 1242500000, 2485000000, 4970000000]

約数ペア:

[(1, 4970000000), (2, 2485000000), (4, 1242500000), (5, 994000000), (7, 710000000), (8, 621250000), (10, 497000000), (14, 355000000), (16, 310625000), (20, 248500000), (25, 198800000), (28, 177500000), (32, 155312500), (35, 142000000), (40, 124250000), (50, 99400000), (56, 88750000), (64, 77656250), (70, 71000000), (71, 70000000), (80, 62125000), (100, 49700000), (112, 44375000), (125, 39760000), (128, 38828125), (140, 35500000), (142, 35000000), (160, 31062500), (175, 28400000), (200, 24850000), (224, 22187500), (250, 19880000), (280, 17750000), (284, 17500000), (320, 15531250), (350, 14200000), (355, 14000000), (400, 12425000), (448, 11093750), (497, 10000000), (500, 9940000), (560, 8875000), (568, 8750000), (625, 7952000), (640, 7765625), (700, 7100000), (710, 7000000), (800, 6212500), (875, 5680000), (896, 5546875), (994, 5000000), (1000, 4970000), (1120, 4437500), (1136, 4375000), (1250, 3976000), (1400, 3550000), (1420, 3500000), (1600, 3106250), (1750, 2840000), (1775, 2800000), (1988, 2500000), (2000, 2485000), (2240, 2218750), (2272, 2187500), (2485, 2000000), (2500, 1988000), (2800, 1775000), (2840, 1750000), (3125, 1590400), (3200, 1553125), (3500, 1420000), (3550, 1400000), (3976, 1250000), (4000, 1242500), (4375, 1136000), (4480, 1109375), (4544, 1093750), (4970, 1000000), (5000, 994000), (5600, 887500), (5680, 875000), (6250, 795200), (7000, 710000), (7100, 700000), (7952, 625000), (8000, 621250), (8750, 568000), (8875, 560000), (9088, 546875), (9940, 500000), (10000, 497000), (11200, 443750), (11360, 437500), (12425, 400000), (12500, 397600), (14000, 355000), (14200, 350000), (15625, 318080), (15904, 312500), (16000, 310625), (17500, 284000), (17750, 280000), (19880, 250000), (20000, 248500), (21875, 227200), (22400, 221875), (22720, 218750), (24850, 200000), (25000, 198800), (28000, 177500), (28400, 175000), (31250, 159040), (31808, 156250), (35000, 142000), (35500, 140000), (39760, 125000), (40000, 124250), (43750, 113600), (44375, 112000), (45440, 109375), (49700, 100000), (50000, 99400), (56000, 88750), (56800, 87500), (62125, 80000), (62500, 79520), (63616, 78125), (70000, 71000)]