242502140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{257981}}^1$

素因数の和:258037

約数の個数: 24

約数和(自身を含む): 520091712

約数和(自身を除く): 277589572

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 257981, 515962, 1031924, 1289905, 2579810, 5159620, 12125107, 24250214, 48500428, 60625535, 121251070, 242502140]

約数ペア:

[(1, 242502140), (2, 121251070), (4, 60625535), (5, 48500428), (10, 24250214), (20, 12125107), (47, 5159620), (94, 2579810), (188, 1289905), (235, 1031924), (470, 515962), (940, 257981)]