51326380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1861}}^1$

素因数の和:2074

約数の個数: 48

約数和(自身を含む): 123875136

約数和(自身を除く): 72548756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1861, 1970, 2758, 3722, 3940, 5516, 6895, 7444, 9305, 13027, 13790, 18610, 26054, 27580, 37220, 52108, 65135, 130270, 260540, 366617, 733234, 1466468, 1833085, 2566319, 3666170, 5132638, 7332340, 10265276, 12831595, 25663190, 51326380]

約数ペア:

[(1, 51326380), (2, 25663190), (4, 12831595), (5, 10265276), (7, 7332340), (10, 5132638), (14, 3666170), (20, 2566319), (28, 1833085), (35, 1466468), (70, 733234), (140, 366617), (197, 260540), (394, 130270), (788, 65135), (985, 52108), (1379, 37220), (1861, 27580), (1970, 26054), (2758, 18610), (3722, 13790), (3940, 13027), (5516, 9305), (6895, 7444)]