199894460

素因数分解:

$2^2\times 5^1\times {\mathrm{673}}^1\times {\mathrm{14851}}^1$

素因数の和:15533

約数の個数: 24

約数和(自身を含む): 420430416

約数和(自身を除く): 220535956

約数列:

[1, 2, 4, 5, 10, 20, 673, 1346, 2692, 3365, 6730, 13460, 14851, 29702, 59404, 74255, 148510, 297020, 9994723, 19989446, 39978892, 49973615, 99947230, 199894460]

約数ペア:

[(1, 199894460), (2, 99947230), (4, 49973615), (5, 39978892), (10, 19989446), (20, 9994723), (673, 297020), (1346, 148510), (2692, 74255), (3365, 59404), (6730, 29702), (13460, 14851)]