4470025

素因数分解:

$5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 6679260

約数和(自身を除く): 2209235

約数列:

[1, 5, 7, 25, 35, 41, 49, 89, 175, 205, 245, 287, 445, 623, 1025, 1225, 1435, 2009, 2225, 3115, 3649, 4361, 7175, 10045, 15575, 18245, 21805, 25543, 50225, 91225, 109025, 127715, 178801, 638575, 894005, 4470025]

約数ペア:

[(1, 4470025), (5, 894005), (7, 638575), (25, 178801), (35, 127715), (41, 109025), (49, 91225), (89, 50225), (175, 25543), (205, 21805), (245, 18245), (287, 15575), (445, 10045), (623, 7175), (1025, 4361), (1225, 3649), (1435, 3115), (2009, 2225)]