68399900

素因数分解:

$2^2\times 5^2\times {\mathrm{181}}^1\times {\mathrm{3779}}^1$

素因数の和:3974

約数の個数: 36

約数和(自身を含む): 149287320

約数和(自身を除く): 80887420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 181, 362, 724, 905, 1810, 3620, 3779, 4525, 7558, 9050, 15116, 18100, 18895, 37790, 75580, 94475, 188950, 377900, 683999, 1367998, 2735996, 3419995, 6839990, 13679980, 17099975, 34199950, 68399900]

約数ペア:

[(1, 68399900), (2, 34199950), (4, 17099975), (5, 13679980), (10, 6839990), (20, 3419995), (25, 2735996), (50, 1367998), (100, 683999), (181, 377900), (362, 188950), (724, 94475), (905, 75580), (1810, 37790), (3620, 18895), (3779, 18100), (4525, 15116), (7558, 9050)]