137900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1$

素因数の和:218

約数の個数: 36

約数和(自身を含む): 343728

約数和(自身を除く): 205828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 700, 788, 985, 1379, 1970, 2758, 3940, 4925, 5516, 6895, 9850, 13790, 19700, 27580, 34475, 68950, 137900]

約数ペア:

[(1, 137900), (2, 68950), (4, 34475), (5, 27580), (7, 19700), (10, 13790), (14, 9850), (20, 6895), (25, 5516), (28, 4925), (35, 3940), (50, 2758), (70, 1970), (100, 1379), (140, 985), (175, 788), (197, 700), (350, 394)]