8348780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 48

約数和(自身を含む): 19335456

約数和(自身を除く): 10986676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 277, 548, 554, 685, 1108, 1370, 1385, 1507, 2740, 2770, 3014, 3047, 5540, 6028, 6094, 7535, 12188, 15070, 15235, 30140, 30470, 37949, 60940, 75898, 151796, 189745, 379490, 417439, 758980, 834878, 1669756, 2087195, 4174390, 8348780]

約数ペア:

[(1, 8348780), (2, 4174390), (4, 2087195), (5, 1669756), (10, 834878), (11, 758980), (20, 417439), (22, 379490), (44, 189745), (55, 151796), (110, 75898), (137, 60940), (220, 37949), (274, 30470), (277, 30140), (548, 15235), (554, 15070), (685, 12188), (1108, 7535), (1370, 6094), (1385, 6028), (1507, 5540), (2740, 3047), (2770, 3014)]