520828

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 1209600

約数和(自身を除く): 688772

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 89, 133, 154, 178, 209, 266, 308, 356, 418, 532, 623, 836, 979, 1246, 1463, 1691, 1958, 2492, 2926, 3382, 3916, 5852, 6764, 6853, 11837, 13706, 18601, 23674, 27412, 37202, 47348, 74404, 130207, 260414, 520828]

約数ペア:

[(1, 520828), (2, 260414), (4, 130207), (7, 74404), (11, 47348), (14, 37202), (19, 27412), (22, 23674), (28, 18601), (38, 13706), (44, 11837), (76, 6853), (77, 6764), (89, 5852), (133, 3916), (154, 3382), (178, 2926), (209, 2492), (266, 1958), (308, 1691), (356, 1463), (418, 1246), (532, 979), (623, 836)]