690945025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1\times {\mathrm{2467}}^1$

素因数の和:3153

約数の個数: 24

約数和(自身を含む): 908915040

約数和(自身を除く): 217970015

約数列:

[1, 5, 17, 25, 85, 425, 659, 2467, 3295, 11203, 12335, 16475, 41939, 56015, 61675, 209695, 280075, 1048475, 1625753, 8128765, 27637801, 40643825, 138189005, 690945025]

約数ペア:

[(1, 690945025), (5, 138189005), (17, 40643825), (25, 27637801), (85, 8128765), (425, 1625753), (659, 1048475), (2467, 280075), (3295, 209695), (11203, 61675), (12335, 56015), (16475, 41939)]