68404000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{349}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 196068600

約数和(自身を除く): 127664600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 349, 350, 392, 400, 490, 500, 560, 698, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1396, 1400, 1568, 1745, 1750, 1960, 2000, 2443, 2450, 2792, 2800, 3490, 3500, 3920, 4000, 4886, 4900, 5584, 5600, 6125, 6980, 7000, 7840, 8725, 9772, 9800, 11168, 12215, 12250, 13960, 14000, 17101, 17450, 19544, 19600, 24430, 24500, 27920, 28000, 34202, 34900, 39088, 39200, 43625, 48860, 49000, 55840, 61075, 68404, 69800, 78176, 85505, 87250, 97720, 98000, 122150, 136808, 139600, 171010, 174500, 195440, 196000, 244300, 273616, 279200, 305375, 342020, 349000, 390880, 427525, 488600, 547232, 610750, 684040, 698000, 855050, 977200, 1221500, 1368080, 1396000, 1710100, 1954400, 2137625, 2443000, 2736160, 3420200, 4275250, 4886000, 6840400, 8550500, 9772000, 13680800, 17101000, 34202000, 68404000]

約数ペア:

[(1, 68404000), (2, 34202000), (4, 17101000), (5, 13680800), (7, 9772000), (8, 8550500), (10, 6840400), (14, 4886000), (16, 4275250), (20, 3420200), (25, 2736160), (28, 2443000), (32, 2137625), (35, 1954400), (40, 1710100), (49, 1396000), (50, 1368080), (56, 1221500), (70, 977200), (80, 855050), (98, 698000), (100, 684040), (112, 610750), (125, 547232), (140, 488600), (160, 427525), (175, 390880), (196, 349000), (200, 342020), (224, 305375), (245, 279200), (250, 273616), (280, 244300), (349, 196000), (350, 195440), (392, 174500), (400, 171010), (490, 139600), (500, 136808), (560, 122150), (698, 98000), (700, 97720), (784, 87250), (800, 85505), (875, 78176), (980, 69800), (1000, 68404), (1120, 61075), (1225, 55840), (1396, 49000), (1400, 48860), (1568, 43625), (1745, 39200), (1750, 39088), (1960, 34900), (2000, 34202), (2443, 28000), (2450, 27920), (2792, 24500), (2800, 24430), (3490, 19600), (3500, 19544), (3920, 17450), (4000, 17101), (4886, 14000), (4900, 13960), (5584, 12250), (5600, 12215), (6125, 11168), (6980, 9800), (7000, 9772), (7840, 8725)]