199566025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{7121}}^1$

素因数の和:7209

約数の個数: 24

約数和(自身を含む): 264938400

約数和(自身を除く): 65372375

約数列:

[1, 5, 19, 25, 59, 95, 295, 475, 1121, 1475, 5605, 7121, 28025, 35605, 135299, 178025, 420139, 676495, 2100695, 3382475, 7982641, 10503475, 39913205, 199566025]

約数ペア:

[(1, 199566025), (5, 39913205), (19, 10503475), (25, 7982641), (59, 3382475), (95, 2100695), (295, 676495), (475, 420139), (1121, 178025), (1475, 135299), (5605, 35605), (7121, 28025)]