197244820

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{49559}}^1$

素因数の和:49767

約数の個数: 24

約数和(自身を含む): 416304000

約数和(自身を除く): 219059180

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 49559, 99118, 198236, 247795, 495590, 991180, 9862241, 19724482, 39448964, 49311205, 98622410, 197244820]

約数ペア:

[(1, 197244820), (2, 98622410), (4, 49311205), (5, 39448964), (10, 19724482), (20, 9862241), (199, 991180), (398, 495590), (796, 247795), (995, 198236), (1990, 99118), (3980, 49559)]