138089990

素因数分解:

$2^1\times 5^1\times {\mathrm{701}}^1\times {\mathrm{19699}}^1$

素因数の和:20407

約数の個数: 16

約数和(自身を含む): 248929200

約数和(自身を除く): 110839210

約数列:

[1, 2, 5, 10, 701, 1402, 3505, 7010, 19699, 39398, 98495, 196990, 13808999, 27617998, 69044995, 138089990]

約数ペア:

[(1, 138089990), (2, 69044995), (5, 27617998), (10, 13808999), (701, 196990), (1402, 98495), (3505, 39398), (7010, 19699)]