71261900

素因数分解:

$2^2\times 5^2\times {\mathrm{199}}^1\times {\mathrm{3581}}^1$

素因数の和:3794

約数の個数: 36

約数和(自身を含む): 155458800

約数和(自身を除く): 84196900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 199, 398, 796, 995, 1990, 3581, 3980, 4975, 7162, 9950, 14324, 17905, 19900, 35810, 71620, 89525, 179050, 358100, 712619, 1425238, 2850476, 3563095, 7126190, 14252380, 17815475, 35630950, 71261900]

約数ペア:

[(1, 71261900), (2, 35630950), (4, 17815475), (5, 14252380), (10, 7126190), (20, 3563095), (25, 2850476), (50, 1425238), (100, 712619), (199, 358100), (398, 179050), (796, 89525), (995, 71620), (1990, 35810), (3581, 19900), (3980, 17905), (4975, 14324), (7162, 9950)]