299780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1175

約数の個数: 24

約数和(自身を含む): 678552

約数和(自身を除く): 378772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1153, 2306, 4612, 5765, 11530, 14989, 23060, 29978, 59956, 74945, 149890, 299780]

約数ペア:

[(1, 299780), (2, 149890), (4, 74945), (5, 59956), (10, 29978), (13, 23060), (20, 14989), (26, 11530), (52, 5765), (65, 4612), (130, 2306), (260, 1153)]