102143900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{9371}}^1$

素因数の和:9494

約数の個数: 36

約数和(自身を含む): 223709640

約数和(自身を除く): 121565740

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 9371, 10900, 18742, 37484, 46855, 93710, 187420, 234275, 468550, 937100, 1021439, 2042878, 4085756, 5107195, 10214390, 20428780, 25535975, 51071950, 102143900]

約数ペア:

[(1, 102143900), (2, 51071950), (4, 25535975), (5, 20428780), (10, 10214390), (20, 5107195), (25, 4085756), (50, 2042878), (100, 1021439), (109, 937100), (218, 468550), (436, 234275), (545, 187420), (1090, 93710), (2180, 46855), (2725, 37484), (5450, 18742), (9371, 10900)]