2149184020

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{304417}}^1$

素因数の和:304779

約数の個数: 24

約数和(自身を含む): 4526086824

約数和(自身を除く): 2376902804

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 304417, 608834, 1217668, 1522085, 3044170, 6088340, 107459201, 214918402, 429836804, 537296005, 1074592010, 2149184020]

約数ペア:

[(1, 2149184020), (2, 1074592010), (4, 537296005), (5, 429836804), (10, 214918402), (20, 107459201), (353, 6088340), (706, 3044170), (1412, 1522085), (1765, 1217668), (3530, 608834), (7060, 304417)]