28250530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1975

約数の個数: 64

約数和(自身を含む): 66769920

約数和(自身を除く): 38519390

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 1931, 2090, 2926, 3862, 7315, 9655, 13517, 14630, 19310, 21241, 27034, 36689, 42482, 67585, 73378, 106205, 135170, 148687, 183445, 212410, 256823, 297374, 366890, 403579, 513646, 743435, 807158, 1284115, 1486870, 2017895, 2568230, 2825053, 4035790, 5650106, 14125265, 28250530]

約数ペア:

[(1, 28250530), (2, 14125265), (5, 5650106), (7, 4035790), (10, 2825053), (11, 2568230), (14, 2017895), (19, 1486870), (22, 1284115), (35, 807158), (38, 743435), (55, 513646), (70, 403579), (77, 366890), (95, 297374), (110, 256823), (133, 212410), (154, 183445), (190, 148687), (209, 135170), (266, 106205), (385, 73378), (418, 67585), (665, 42482), (770, 36689), (1045, 27034), (1330, 21241), (1463, 19310), (1931, 14630), (2090, 13517), (2926, 9655), (3862, 7315)]