1090250

素因数分解:

$2^1\times 5^3\times 7^2\times {\mathrm{89}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 2400840

約数和(自身を除く): 1310590

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 89, 98, 125, 175, 178, 245, 250, 350, 445, 490, 623, 875, 890, 1225, 1246, 1750, 2225, 2450, 3115, 4361, 4450, 6125, 6230, 8722, 11125, 12250, 15575, 21805, 22250, 31150, 43610, 77875, 109025, 155750, 218050, 545125, 1090250]

約数ペア:

[(1, 1090250), (2, 545125), (5, 218050), (7, 155750), (10, 109025), (14, 77875), (25, 43610), (35, 31150), (49, 22250), (50, 21805), (70, 15575), (89, 12250), (98, 11125), (125, 8722), (175, 6230), (178, 6125), (245, 4450), (250, 4361), (350, 3115), (445, 2450), (490, 2225), (623, 1750), (875, 1246), (890, 1225)]