204731440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2663}}^1$

素因数の和:2738

約数の個数: 60

約数和(自身を含む): 492035472

約数和(自身を除く): 287304032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 2663, 3844, 4805, 5326, 7688, 9610, 10652, 13315, 15376, 19220, 21304, 26630, 38440, 42608, 53260, 76880, 82553, 106520, 165106, 213040, 330212, 412765, 660424, 825530, 1320848, 1651060, 2559143, 3302120, 5118286, 6604240, 10236572, 12795715, 20473144, 25591430, 40946288, 51182860, 102365720, 204731440]

約数ペア:

[(1, 204731440), (2, 102365720), (4, 51182860), (5, 40946288), (8, 25591430), (10, 20473144), (16, 12795715), (20, 10236572), (31, 6604240), (40, 5118286), (62, 3302120), (80, 2559143), (124, 1651060), (155, 1320848), (248, 825530), (310, 660424), (496, 412765), (620, 330212), (961, 213040), (1240, 165106), (1922, 106520), (2480, 82553), (2663, 76880), (3844, 53260), (4805, 42608), (5326, 38440), (7688, 26630), (9610, 21304), (10652, 19220), (13315, 15376)]