385020140

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{91237}}^1$

素因数の和:91457

約数の個数: 24

約数和(自身を含む): 812383152

約数和(自身を除く): 427363012

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 91237, 182474, 364948, 456185, 912370, 1824740, 19251007, 38502014, 77004028, 96255035, 192510070, 385020140]

約数ペア:

[(1, 385020140), (2, 192510070), (4, 96255035), (5, 77004028), (10, 38502014), (20, 19251007), (211, 1824740), (422, 912370), (844, 456185), (1055, 364948), (2110, 182474), (4220, 91237)]