278523740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{9241}}^1$

素因数の和:9398

約数の個数: 48

約数和(自身を含む): 642799584

約数和(自身を除く): 364275844

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 2740, 3014, 6028, 7535, 9241, 15070, 18482, 30140, 36964, 46205, 92410, 101651, 184820, 203302, 406604, 508255, 1016510, 1266017, 2033020, 2532034, 5064068, 6330085, 12660170, 13926187, 25320340, 27852374, 55704748, 69630935, 139261870, 278523740]

約数ペア:

[(1, 278523740), (2, 139261870), (4, 69630935), (5, 55704748), (10, 27852374), (11, 25320340), (20, 13926187), (22, 12660170), (44, 6330085), (55, 5064068), (110, 2532034), (137, 2033020), (220, 1266017), (274, 1016510), (548, 508255), (685, 406604), (1370, 203302), (1507, 184820), (2740, 101651), (3014, 92410), (6028, 46205), (7535, 36964), (9241, 30140), (15070, 18482)]