68993890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3637}}^1$

素因数の和:3922

約数の個数: 32

約数和(自身を含む): 142493184

約数和(自身を除く): 73499294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 271, 542, 1355, 1897, 2710, 3637, 3794, 7274, 9485, 18185, 18970, 25459, 36370, 50918, 127295, 254590, 985627, 1971254, 4928135, 6899389, 9856270, 13798778, 34496945, 68993890]

約数ペア:

[(1, 68993890), (2, 34496945), (5, 13798778), (7, 9856270), (10, 6899389), (14, 4928135), (35, 1971254), (70, 985627), (271, 254590), (542, 127295), (1355, 50918), (1897, 36370), (2710, 25459), (3637, 18970), (3794, 18185), (7274, 9485)]