123400

素因数分解:

$2^3\times 5^2\times {\mathrm{617}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 287370

約数和(自身を除く): 163970

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 617, 1234, 2468, 3085, 4936, 6170, 12340, 15425, 24680, 30850, 61700, 123400]

約数ペア:

[(1, 123400), (2, 61700), (4, 30850), (5, 24680), (8, 15425), (10, 12340), (20, 6170), (25, 4936), (40, 3085), (50, 2468), (100, 1234), (200, 617)]