156800000

素因数分解:

$2^{10}\times 5^5\times 7^2$

素因数の和:59

約数の個数: 198

約数和(自身を含む): 455748174

約数和(自身を除く): 298948174

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, 512, 560, 625, 640, 700, 784, 800, 875, 896, 980, 1000, 1024, 1120, 1225, 1250, 1280, 1400, 1568, 1600, 1750, 1792, 1960, 2000, 2240, 2450, 2500, 2560, 2800, 3125, 3136, 3200, 3500, 3584, 3920, 4000, 4375, 4480, 4900, 5000, 5120, 5600, 6125, 6250, 6272, 6400, 7000, 7168, 7840, 8000, 8750, 8960, 9800, 10000, 11200, 12250, 12500, 12544, 12800, 14000, 15680, 16000, 17500, 17920, 19600, 20000, 21875, 22400, 24500, 25000, 25088, 25600, 28000, 30625, 31360, 32000, 35000, 35840, 39200, 40000, 43750, 44800, 49000, 50000, 50176, 56000, 61250, 62720, 64000, 70000, 78400, 80000, 87500, 89600, 98000, 100000, 112000, 122500, 125440, 128000, 140000, 153125, 156800, 160000, 175000, 179200, 196000, 200000, 224000, 245000, 250880, 280000, 306250, 313600, 320000, 350000, 392000, 400000, 448000, 490000, 560000, 612500, 627200, 640000, 700000, 784000, 800000, 896000, 980000, 1120000, 1225000, 1254400, 1400000, 1568000, 1600000, 1960000, 2240000, 2450000, 2800000, 3136000, 3200000, 3920000, 4480000, 4900000, 5600000, 6272000, 7840000, 9800000, 11200000, 15680000, 19600000, 22400000, 31360000, 39200000, 78400000, 156800000]

約数ペア:

[(1, 156800000), (2, 78400000), (4, 39200000), (5, 31360000), (7, 22400000), (8, 19600000), (10, 15680000), (14, 11200000), (16, 9800000), (20, 7840000), (25, 6272000), (28, 5600000), (32, 4900000), (35, 4480000), (40, 3920000), (49, 3200000), (50, 3136000), (56, 2800000), (64, 2450000), (70, 2240000), (80, 1960000), (98, 1600000), (100, 1568000), (112, 1400000), (125, 1254400), (128, 1225000), (140, 1120000), (160, 980000), (175, 896000), (196, 800000), (200, 784000), (224, 700000), (245, 640000), (250, 627200), (256, 612500), (280, 560000), (320, 490000), (350, 448000), (392, 400000), (400, 392000), (448, 350000), (490, 320000), (500, 313600), (512, 306250), (560, 280000), (625, 250880), (640, 245000), (700, 224000), (784, 200000), (800, 196000), (875, 179200), (896, 175000), (980, 160000), (1000, 156800), (1024, 153125), (1120, 140000), (1225, 128000), (1250, 125440), (1280, 122500), (1400, 112000), (1568, 100000), (1600, 98000), (1750, 89600), (1792, 87500), (1960, 80000), (2000, 78400), (2240, 70000), (2450, 64000), (2500, 62720), (2560, 61250), (2800, 56000), (3125, 50176), (3136, 50000), (3200, 49000), (3500, 44800), (3584, 43750), (3920, 40000), (4000, 39200), (4375, 35840), (4480, 35000), (4900, 32000), (5000, 31360), (5120, 30625), (5600, 28000), (6125, 25600), (6250, 25088), (6272, 25000), (6400, 24500), (7000, 22400), (7168, 21875), (7840, 20000), (8000, 19600), (8750, 17920), (8960, 17500), (9800, 16000), (10000, 15680), (11200, 14000), (12250, 12800), (12500, 12544)]