28049380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 61553520

約数和(自身を除く): 33504140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 274, 290, 353, 548, 580, 685, 706, 1370, 1412, 1765, 2740, 3530, 3973, 7060, 7946, 10237, 15892, 19865, 20474, 39730, 40948, 48361, 51185, 79460, 96722, 102370, 193444, 204740, 241805, 483610, 967220, 1402469, 2804938, 5609876, 7012345, 14024690, 28049380]

約数ペア:

[(1, 28049380), (2, 14024690), (4, 7012345), (5, 5609876), (10, 2804938), (20, 1402469), (29, 967220), (58, 483610), (116, 241805), (137, 204740), (145, 193444), (274, 102370), (290, 96722), (353, 79460), (548, 51185), (580, 48361), (685, 40948), (706, 39730), (1370, 20474), (1412, 19865), (1765, 15892), (2740, 10237), (3530, 7946), (3973, 7060)]