81180500

素因数分解:

$2^2\times 5^3\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:957

約数の個数: 48

約数和(自身を含む): 178323600

約数和(自身を除く): 97143100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 229, 250, 458, 500, 709, 916, 1145, 1418, 2290, 2836, 3545, 4580, 5725, 7090, 11450, 14180, 17725, 22900, 28625, 35450, 57250, 70900, 88625, 114500, 162361, 177250, 324722, 354500, 649444, 811805, 1623610, 3247220, 4059025, 8118050, 16236100, 20295125, 40590250, 81180500]

約数ペア:

[(1, 81180500), (2, 40590250), (4, 20295125), (5, 16236100), (10, 8118050), (20, 4059025), (25, 3247220), (50, 1623610), (100, 811805), (125, 649444), (229, 354500), (250, 324722), (458, 177250), (500, 162361), (709, 114500), (916, 88625), (1145, 70900), (1418, 57250), (2290, 35450), (2836, 28625), (3545, 22900), (4580, 17725), (5725, 14180), (7090, 11450)]