19701050

素因数分解:

$2^1\times 5^2\times {\mathrm{349}}^1\times {\mathrm{1129}}^1$

素因数の和:1490

約数の個数: 24

約数和(自身を含む): 36781500

約数和(自身を除く): 17080450

約数列:

[1, 2, 5, 10, 25, 50, 349, 698, 1129, 1745, 2258, 3490, 5645, 8725, 11290, 17450, 28225, 56450, 394021, 788042, 1970105, 3940210, 9850525, 19701050]

約数ペア:

[(1, 19701050), (2, 9850525), (5, 3940210), (10, 1970105), (25, 788042), (50, 394021), (349, 56450), (698, 28225), (1129, 17450), (1745, 11290), (2258, 8725), (3490, 5645)]