196000000

素因数分解:

$2^8\times 5^6\times 7^2$

素因数の和:60

約数の個数: 189

約数和(自身を含む): 568879437

約数和(自身を除く): 372879437

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 128, 140, 160, 175, 196, 200, 224, 245, 250, 256, 280, 320, 350, 392, 400, 448, 490, 500, 560, 625, 640, 700, 784, 800, 875, 896, 980, 1000, 1120, 1225, 1250, 1280, 1400, 1568, 1600, 1750, 1792, 1960, 2000, 2240, 2450, 2500, 2800, 3125, 3136, 3200, 3500, 3920, 4000, 4375, 4480, 4900, 5000, 5600, 6125, 6250, 6272, 6400, 7000, 7840, 8000, 8750, 8960, 9800, 10000, 11200, 12250, 12500, 12544, 14000, 15625, 15680, 16000, 17500, 19600, 20000, 21875, 22400, 24500, 25000, 28000, 30625, 31250, 31360, 32000, 35000, 39200, 40000, 43750, 44800, 49000, 50000, 56000, 61250, 62500, 62720, 70000, 78400, 80000, 87500, 98000, 100000, 109375, 112000, 122500, 125000, 140000, 153125, 156800, 160000, 175000, 196000, 200000, 218750, 224000, 245000, 250000, 280000, 306250, 313600, 350000, 392000, 400000, 437500, 490000, 500000, 560000, 612500, 700000, 765625, 784000, 800000, 875000, 980000, 1000000, 1120000, 1225000, 1400000, 1531250, 1568000, 1750000, 1960000, 2000000, 2450000, 2800000, 3062500, 3500000, 3920000, 4000000, 4900000, 5600000, 6125000, 7000000, 7840000, 9800000, 12250000, 14000000, 19600000, 24500000, 28000000, 39200000, 49000000, 98000000, 196000000]

約数ペア:

[(1, 196000000), (2, 98000000), (4, 49000000), (5, 39200000), (7, 28000000), (8, 24500000), (10, 19600000), (14, 14000000), (16, 12250000), (20, 9800000), (25, 7840000), (28, 7000000), (32, 6125000), (35, 5600000), (40, 4900000), (49, 4000000), (50, 3920000), (56, 3500000), (64, 3062500), (70, 2800000), (80, 2450000), (98, 2000000), (100, 1960000), (112, 1750000), (125, 1568000), (128, 1531250), (140, 1400000), (160, 1225000), (175, 1120000), (196, 1000000), (200, 980000), (224, 875000), (245, 800000), (250, 784000), (256, 765625), (280, 700000), (320, 612500), (350, 560000), (392, 500000), (400, 490000), (448, 437500), (490, 400000), (500, 392000), (560, 350000), (625, 313600), (640, 306250), (700, 280000), (784, 250000), (800, 245000), (875, 224000), (896, 218750), (980, 200000), (1000, 196000), (1120, 175000), (1225, 160000), (1250, 156800), (1280, 153125), (1400, 140000), (1568, 125000), (1600, 122500), (1750, 112000), (1792, 109375), (1960, 100000), (2000, 98000), (2240, 87500), (2450, 80000), (2500, 78400), (2800, 70000), (3125, 62720), (3136, 62500), (3200, 61250), (3500, 56000), (3920, 50000), (4000, 49000), (4375, 44800), (4480, 43750), (4900, 40000), (5000, 39200), (5600, 35000), (6125, 32000), (6250, 31360), (6272, 31250), (6400, 30625), (7000, 28000), (7840, 25000), (8000, 24500), (8750, 22400), (8960, 21875), (9800, 20000), (10000, 19600), (11200, 17500), (12250, 16000), (12500, 15680), (12544, 15625)]