2788610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 5552064

約数和(自身を除く): 2763454

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 251, 502, 505, 1010, 1111, 1255, 2222, 2510, 2761, 5522, 5555, 11110, 13805, 25351, 27610, 50702, 126755, 253510, 278861, 557722, 1394305, 2788610]

約数ペア:

[(1, 2788610), (2, 1394305), (5, 557722), (10, 278861), (11, 253510), (22, 126755), (55, 50702), (101, 27610), (110, 25351), (202, 13805), (251, 11110), (502, 5555), (505, 5522), (1010, 2761), (1111, 2510), (1255, 2222)]