99400000

素因数分解:

$2^6\times 5^5\times 7^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 168

約数和(自身を含む): 285731712

約数和(自身を除く): 186331712

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, 140, 142, 160, 175, 200, 224, 250, 280, 284, 320, 350, 355, 400, 448, 497, 500, 560, 568, 625, 700, 710, 800, 875, 994, 1000, 1120, 1136, 1250, 1400, 1420, 1600, 1750, 1775, 1988, 2000, 2240, 2272, 2485, 2500, 2800, 2840, 3125, 3500, 3550, 3976, 4000, 4375, 4544, 4970, 5000, 5600, 5680, 6250, 7000, 7100, 7952, 8000, 8750, 8875, 9940, 10000, 11200, 11360, 12425, 12500, 14000, 14200, 15904, 17500, 17750, 19880, 20000, 21875, 22720, 24850, 25000, 28000, 28400, 31808, 35000, 35500, 39760, 40000, 43750, 44375, 49700, 50000, 56000, 56800, 62125, 70000, 71000, 79520, 87500, 88750, 99400, 100000, 113600, 124250, 140000, 142000, 159040, 175000, 177500, 198800, 200000, 221875, 248500, 280000, 284000, 310625, 350000, 355000, 397600, 443750, 497000, 568000, 621250, 700000, 710000, 795200, 887500, 994000, 1242500, 1400000, 1420000, 1553125, 1775000, 1988000, 2485000, 2840000, 3106250, 3550000, 3976000, 4970000, 6212500, 7100000, 9940000, 12425000, 14200000, 19880000, 24850000, 49700000, 99400000]

約数ペア:

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