55742540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^2$

素因数の和:1278

約数の個数: 36

約数和(自身を含む): 133994448

約数和(自身を除く): 78251908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1262, 2524, 3155, 4417, 6310, 8834, 12620, 17668, 22085, 44170, 88340, 398161, 796322, 1592644, 1990805, 2787127, 3981610, 5574254, 7963220, 11148508, 13935635, 27871270, 55742540]

約数ペア:

[(1, 55742540), (2, 27871270), (4, 13935635), (5, 11148508), (7, 7963220), (10, 5574254), (14, 3981610), (20, 2787127), (28, 1990805), (35, 1592644), (70, 796322), (140, 398161), (631, 88340), (1262, 44170), (2524, 22085), (3155, 17668), (4417, 12620), (6310, 8834)]