645034460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{68767}}^1$

素因数の和:68850

約数の個数: 48

約数和(自身を含む): 1571211264

約数和(自身を除く): 926176804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 68767, 137534, 275068, 343835, 481369, 687670, 962738, 1375340, 1925476, 2406845, 4607389, 4813690, 9214778, 9627380, 18429556, 23036945, 32251723, 46073890, 64503446, 92147780, 129006892, 161258615, 322517230, 645034460]

約数ペア:

[(1, 645034460), (2, 322517230), (4, 161258615), (5, 129006892), (7, 92147780), (10, 64503446), (14, 46073890), (20, 32251723), (28, 23036945), (35, 18429556), (67, 9627380), (70, 9214778), (134, 4813690), (140, 4607389), (268, 2406845), (335, 1925476), (469, 1375340), (670, 962738), (938, 687670), (1340, 481369), (1876, 343835), (2345, 275068), (4690, 137534), (9380, 68767)]