149245840

素因数分解:

$2^4\times 5^1\times {\mathrm{1865573}}^1$

素因数の和:1865586

約数の個数: 20

約数和(自身を含む): 346996764

約数和(自身を除く): 197750924

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1865573, 3731146, 7462292, 9327865, 14924584, 18655730, 29849168, 37311460, 74622920, 149245840]

約数ペア:

[(1, 149245840), (2, 74622920), (4, 37311460), (5, 29849168), (8, 18655730), (10, 14924584), (16, 9327865), (20, 7462292), (40, 3731146), (80, 1865573)]