142709320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274441}}^1$

素因数の和:274465

約数の個数: 32

約数和(自身を含む): 345796920

約数和(自身を除く): 203087600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 274441, 548882, 1097764, 1372205, 2195528, 2744410, 3567733, 5488820, 7135466, 10977640, 14270932, 17838665, 28541864, 35677330, 71354660, 142709320]

約数ペア:

[(1, 142709320), (2, 71354660), (4, 35677330), (5, 28541864), (8, 17838665), (10, 14270932), (13, 10977640), (20, 7135466), (26, 5488820), (40, 3567733), (52, 2744410), (65, 2195528), (104, 1372205), (130, 1097764), (260, 548882), (520, 274441)]