323991820

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{123661}}^1$

素因数の和:123801

約数の個数: 24

約数和(自身を含む): 685582128

約数和(自身を除く): 361590308

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 123661, 247322, 494644, 618305, 1236610, 2473220, 16199591, 32399182, 64798364, 80997955, 161995910, 323991820]

約数ペア:

[(1, 323991820), (2, 161995910), (4, 80997955), (5, 64798364), (10, 32399182), (20, 16199591), (131, 2473220), (262, 1236610), (524, 618305), (655, 494644), (1310, 247322), (2620, 123661)]