551444180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{28751}}^1$

素因数の和:28904

約数の個数: 48

約数和(自身を含む): 1333172736

約数和(自身を除く): 781728556

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 28751, 57502, 115004, 143755, 201257, 287510, 402514, 575020, 805028, 1006285, 2012570, 3938887, 4025140, 7877774, 15755548, 19694435, 27572209, 39388870, 55144418, 78777740, 110288836, 137861045, 275722090, 551444180]

約数ペア:

[(1, 551444180), (2, 275722090), (4, 137861045), (5, 110288836), (7, 78777740), (10, 55144418), (14, 39388870), (20, 27572209), (28, 19694435), (35, 15755548), (70, 7877774), (137, 4025140), (140, 3938887), (274, 2012570), (548, 1006285), (685, 805028), (959, 575020), (1370, 402514), (1918, 287510), (2740, 201257), (3836, 143755), (4795, 115004), (9590, 57502), (19180, 28751)]