2500225

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 36

約数和(自身を含む): 3908604

約数和(自身を除く): 1408379

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 157, 175, 245, 325, 455, 637, 785, 1099, 1225, 2041, 2275, 3185, 3925, 5495, 7693, 10205, 14287, 15925, 27475, 38465, 51025, 71435, 100009, 192325, 357175, 500045, 2500225]

約数ペア:

[(1, 2500225), (5, 500045), (7, 357175), (13, 192325), (25, 100009), (35, 71435), (49, 51025), (65, 38465), (91, 27475), (157, 15925), (175, 14287), (245, 10205), (325, 7693), (455, 5495), (637, 3925), (785, 3185), (1099, 2275), (1225, 2041)]