130157900

素因数分解:

$2^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{6607}}^1$

素因数の和:6818

約数の個数: 36

約数和(自身を含む): 283919328

約数和(自身を除く): 153761428

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 197, 394, 788, 985, 1970, 3940, 4925, 6607, 9850, 13214, 19700, 26428, 33035, 66070, 132140, 165175, 330350, 660700, 1301579, 2603158, 5206316, 6507895, 13015790, 26031580, 32539475, 65078950, 130157900]

約数ペア:

[(1, 130157900), (2, 65078950), (4, 32539475), (5, 26031580), (10, 13015790), (20, 6507895), (25, 5206316), (50, 2603158), (100, 1301579), (197, 660700), (394, 330350), (788, 165175), (985, 132140), (1970, 66070), (3940, 33035), (4925, 26428), (6607, 19700), (9850, 13214)]