1246000000

素因数分解:

$2^7\times 5^6\times 7^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 224

約数和(自身を含む): 3585891600

約数和(自身を除く): 2339891600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 89, 100, 112, 125, 128, 140, 160, 175, 178, 200, 224, 250, 280, 320, 350, 356, 400, 445, 448, 500, 560, 623, 625, 640, 700, 712, 800, 875, 890, 896, 1000, 1120, 1246, 1250, 1400, 1424, 1600, 1750, 1780, 2000, 2225, 2240, 2492, 2500, 2800, 2848, 3115, 3125, 3200, 3500, 3560, 4000, 4375, 4450, 4480, 4984, 5000, 5600, 5696, 6230, 6250, 7000, 7120, 8000, 8750, 8900, 9968, 10000, 11125, 11200, 11392, 12460, 12500, 14000, 14240, 15575, 15625, 16000, 17500, 17800, 19936, 20000, 21875, 22250, 22400, 24920, 25000, 28000, 28480, 31150, 31250, 35000, 35600, 39872, 40000, 43750, 44500, 49840, 50000, 55625, 56000, 56960, 62300, 62500, 70000, 71200, 77875, 79744, 80000, 87500, 89000, 99680, 100000, 109375, 111250, 112000, 124600, 125000, 140000, 142400, 155750, 175000, 178000, 199360, 200000, 218750, 222500, 249200, 250000, 278125, 280000, 284800, 311500, 350000, 356000, 389375, 398720, 400000, 437500, 445000, 498400, 500000, 556250, 560000, 623000, 700000, 712000, 778750, 875000, 890000, 996800, 1000000, 1112500, 1246000, 1390625, 1400000, 1424000, 1557500, 1750000, 1780000, 1946875, 1993600, 2000000, 2225000, 2492000, 2781250, 2800000, 3115000, 3500000, 3560000, 3893750, 4450000, 4984000, 5562500, 6230000, 7000000, 7120000, 7787500, 8900000, 9734375, 9968000, 11125000, 12460000, 14000000, 15575000, 17800000, 19468750, 22250000, 24920000, 31150000, 35600000, 38937500, 44500000, 49840000, 62300000, 77875000, 89000000, 124600000, 155750000, 178000000, 249200000, 311500000, 623000000, 1246000000]

約数ペア:

[(1, 1246000000), (2, 623000000), (4, 311500000), (5, 249200000), (7, 178000000), (8, 155750000), (10, 124600000), (14, 89000000), (16, 77875000), (20, 62300000), (25, 49840000), (28, 44500000), (32, 38937500), (35, 35600000), (40, 31150000), (50, 24920000), (56, 22250000), (64, 19468750), (70, 17800000), (80, 15575000), (89, 14000000), (100, 12460000), (112, 11125000), (125, 9968000), (128, 9734375), (140, 8900000), (160, 7787500), (175, 7120000), (178, 7000000), (200, 6230000), (224, 5562500), (250, 4984000), (280, 4450000), (320, 3893750), (350, 3560000), (356, 3500000), (400, 3115000), (445, 2800000), (448, 2781250), (500, 2492000), (560, 2225000), (623, 2000000), (625, 1993600), (640, 1946875), (700, 1780000), (712, 1750000), (800, 1557500), (875, 1424000), (890, 1400000), (896, 1390625), (1000, 1246000), (1120, 1112500), (1246, 1000000), (1250, 996800), (1400, 890000), (1424, 875000), (1600, 778750), (1750, 712000), (1780, 700000), (2000, 623000), (2225, 560000), (2240, 556250), (2492, 500000), (2500, 498400), (2800, 445000), (2848, 437500), (3115, 400000), (3125, 398720), (3200, 389375), (3500, 356000), (3560, 350000), (4000, 311500), (4375, 284800), (4450, 280000), (4480, 278125), (4984, 250000), (5000, 249200), (5600, 222500), (5696, 218750), (6230, 200000), (6250, 199360), (7000, 178000), (7120, 175000), (8000, 155750), (8750, 142400), (8900, 140000), (9968, 125000), (10000, 124600), (11125, 112000), (11200, 111250), (11392, 109375), (12460, 100000), (12500, 99680), (14000, 89000), (14240, 87500), (15575, 80000), (15625, 79744), (16000, 77875), (17500, 71200), (17800, 70000), (19936, 62500), (20000, 62300), (21875, 56960), (22250, 56000), (22400, 55625), (24920, 50000), (25000, 49840), (28000, 44500), (28480, 43750), (31150, 40000), (31250, 39872), (35000, 35600)]