51313780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{52361}}^1$

素因数の和:52384

約数の個数: 36

約数和(自身を含む): 125354628

約数和(自身を除く): 74040848

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 52361, 104722, 209444, 261805, 366527, 523610, 733054, 1047220, 1466108, 1832635, 2565689, 3665270, 5131378, 7330540, 10262756, 12828445, 25656890, 51313780]

約数ペア:

[(1, 51313780), (2, 25656890), (4, 12828445), (5, 10262756), (7, 7330540), (10, 5131378), (14, 3665270), (20, 2565689), (28, 1832635), (35, 1466108), (49, 1047220), (70, 733054), (98, 523610), (140, 366527), (196, 261805), (245, 209444), (490, 104722), (980, 52361)]