138734890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{29581}}^1$

素因数の和:29662

約数の個数: 32

約数和(自身を含む): 289666944

約数和(自身を除く): 150932054

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4690, 29581, 59162, 147905, 207067, 295810, 414134, 1035335, 1981927, 2070670, 3963854, 9909635, 13873489, 19819270, 27746978, 69367445, 138734890]

約数ペア:

[(1, 138734890), (2, 69367445), (5, 27746978), (7, 19819270), (10, 13873489), (14, 9909635), (35, 3963854), (67, 2070670), (70, 1981927), (134, 1035335), (335, 414134), (469, 295810), (670, 207067), (938, 147905), (2345, 59162), (4690, 29581)]