28564340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{547}}^1$

素因数の和:936

約数の個数: 48

約数和(自身を含む): 68863872

約数和(自身を除く): 40299532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 547, 746, 1094, 1492, 1865, 2188, 2611, 2735, 3730, 3829, 5222, 5470, 7460, 7658, 10444, 10940, 13055, 15316, 19145, 26110, 38290, 52220, 76580, 204031, 408062, 816124, 1020155, 1428217, 2040310, 2856434, 4080620, 5712868, 7141085, 14282170, 28564340]

約数ペア:

[(1, 28564340), (2, 14282170), (4, 7141085), (5, 5712868), (7, 4080620), (10, 2856434), (14, 2040310), (20, 1428217), (28, 1020155), (35, 816124), (70, 408062), (140, 204031), (373, 76580), (547, 52220), (746, 38290), (1094, 26110), (1492, 19145), (1865, 15316), (2188, 13055), (2611, 10940), (2735, 10444), (3730, 7658), (3829, 7460), (5222, 5470)]