54512500

素因数分解:

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

素因数の和:132

約数の個数: 108

約数和(自身を含む): 140264460

約数和(自身を除く): 85751960

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 89, 98, 100, 125, 140, 175, 178, 196, 245, 250, 350, 356, 445, 490, 500, 623, 625, 700, 875, 890, 980, 1225, 1246, 1250, 1750, 1780, 2225, 2450, 2492, 2500, 3115, 3125, 3500, 4361, 4375, 4450, 4900, 6125, 6230, 6250, 8722, 8750, 8900, 11125, 12250, 12460, 12500, 15575, 17444, 17500, 21805, 21875, 22250, 24500, 30625, 31150, 43610, 43750, 44500, 55625, 61250, 62300, 77875, 87220, 87500, 109025, 111250, 122500, 153125, 155750, 218050, 222500, 278125, 306250, 311500, 389375, 436100, 545125, 556250, 612500, 778750, 1090250, 1112500, 1557500, 1946875, 2180500, 2725625, 3893750, 5451250, 7787500, 10902500, 13628125, 27256250, 54512500]

約数ペア:

[(1, 54512500), (2, 27256250), (4, 13628125), (5, 10902500), (7, 7787500), (10, 5451250), (14, 3893750), (20, 2725625), (25, 2180500), (28, 1946875), (35, 1557500), (49, 1112500), (50, 1090250), (70, 778750), (89, 612500), (98, 556250), (100, 545125), (125, 436100), (140, 389375), (175, 311500), (178, 306250), (196, 278125), (245, 222500), (250, 218050), (350, 155750), (356, 153125), (445, 122500), (490, 111250), (500, 109025), (623, 87500), (625, 87220), (700, 77875), (875, 62300), (890, 61250), (980, 55625), (1225, 44500), (1246, 43750), (1250, 43610), (1750, 31150), (1780, 30625), (2225, 24500), (2450, 22250), (2492, 21875), (2500, 21805), (3115, 17500), (3125, 17444), (3500, 15575), (4361, 12500), (4375, 12460), (4450, 12250), (4900, 11125), (6125, 8900), (6230, 8750), (6250, 8722)]