3816820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 9273600

約数和(自身を除く): 5456780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 199, 274, 398, 548, 685, 796, 959, 995, 1370, 1393, 1918, 1990, 2740, 2786, 3836, 3980, 4795, 5572, 6965, 9590, 13930, 19180, 27263, 27860, 54526, 109052, 136315, 190841, 272630, 381682, 545260, 763364, 954205, 1908410, 3816820]

約数ペア:

[(1, 3816820), (2, 1908410), (4, 954205), (5, 763364), (7, 545260), (10, 381682), (14, 272630), (20, 190841), (28, 136315), (35, 109052), (70, 54526), (137, 27860), (140, 27263), (199, 19180), (274, 13930), (398, 9590), (548, 6965), (685, 5572), (796, 4795), (959, 3980), (995, 3836), (1370, 2786), (1393, 2740), (1918, 1990)]