260020264

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 595593000

約数和(自身を除く): 335572736

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 89, 98, 116, 178, 196, 203, 232, 257, 356, 392, 406, 514, 623, 712, 812, 1028, 1246, 1421, 1624, 1799, 2056, 2492, 2581, 2842, 3598, 4361, 4984, 5162, 5684, 7196, 7453, 8722, 10324, 11368, 12593, 14392, 14906, 17444, 18067, 20648, 22873, 25186, 29812, 34888, 36134, 45746, 50372, 52171, 59624, 72268, 91492, 100744, 104342, 126469, 144536, 160111, 182984, 208684, 252938, 320222, 365197, 417368, 505876, 640444, 663317, 730394, 1011752, 1120777, 1280888, 1326634, 1460788, 2241554, 2653268, 2921576, 4483108, 4643219, 5306536, 8966216, 9286438, 18572876, 32502533, 37145752, 65005066, 130010132, 260020264]

約数ペア:

[(1, 260020264), (2, 130010132), (4, 65005066), (7, 37145752), (8, 32502533), (14, 18572876), (28, 9286438), (29, 8966216), (49, 5306536), (56, 4643219), (58, 4483108), (89, 2921576), (98, 2653268), (116, 2241554), (178, 1460788), (196, 1326634), (203, 1280888), (232, 1120777), (257, 1011752), (356, 730394), (392, 663317), (406, 640444), (514, 505876), (623, 417368), (712, 365197), (812, 320222), (1028, 252938), (1246, 208684), (1421, 182984), (1624, 160111), (1799, 144536), (2056, 126469), (2492, 104342), (2581, 100744), (2842, 91492), (3598, 72268), (4361, 59624), (4984, 52171), (5162, 50372), (5684, 45746), (7196, 36134), (7453, 34888), (8722, 29812), (10324, 25186), (11368, 22873), (12593, 20648), (14392, 18067), (14906, 17444)]