208065025

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5479}}^1$

素因数の和:5534

約数の個数: 36

約数和(自身を含む): 309861120

約数和(自身を除く): 101796095

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 775, 1085, 1225, 1519, 5425, 5479, 7595, 27395, 37975, 38353, 136975, 169849, 191765, 268471, 849245, 958825, 1188943, 1342355, 4246225, 5944715, 6711775, 8322601, 29723575, 41613005, 208065025]

約数ペア:

[(1, 208065025), (5, 41613005), (7, 29723575), (25, 8322601), (31, 6711775), (35, 5944715), (49, 4246225), (155, 1342355), (175, 1188943), (217, 958825), (245, 849245), (775, 268471), (1085, 191765), (1225, 169849), (1519, 136975), (5425, 38353), (5479, 37975), (7595, 27395)]