256404850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1693}}^1$

素因数の和:1951

約数の個数: 48

約数和(自身を含む): 516107592

約数和(自身を除く): 259702742

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 233, 325, 466, 650, 1165, 1693, 2330, 3029, 3386, 5825, 6058, 8465, 11650, 15145, 16930, 22009, 30290, 42325, 44018, 75725, 84650, 110045, 151450, 220090, 394469, 550225, 788938, 1100450, 1972345, 3944690, 5128097, 9861725, 10256194, 19723450, 25640485, 51280970, 128202425, 256404850]

約数ペア:

[(1, 256404850), (2, 128202425), (5, 51280970), (10, 25640485), (13, 19723450), (25, 10256194), (26, 9861725), (50, 5128097), (65, 3944690), (130, 1972345), (233, 1100450), (325, 788938), (466, 550225), (650, 394469), (1165, 220090), (1693, 151450), (2330, 110045), (3029, 84650), (3386, 75725), (5825, 44018), (6058, 42325), (8465, 30290), (11650, 22009), (15145, 16930)]