71062900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{3571}}^1$

素因数の和:3784

約数の個数: 36

約数和(自身を含む): 155024800

約数和(自身を除く): 83961900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3571, 3980, 4975, 7142, 9950, 14284, 17855, 19900, 35710, 71420, 89275, 178550, 357100, 710629, 1421258, 2842516, 3553145, 7106290, 14212580, 17765725, 35531450, 71062900]

約数ペア:

[(1, 71062900), (2, 35531450), (4, 17765725), (5, 14212580), (10, 7106290), (20, 3553145), (25, 2842516), (50, 1421258), (100, 710629), (199, 357100), (398, 178550), (796, 89275), (995, 71420), (1990, 35710), (3571, 19900), (3980, 17855), (4975, 14284), (7142, 9950)]