215347820

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{28867}}^1$

素因数の和:29249

約数の個数: 24

約数和(自身を含む): 453458544

約数和(自身を除く): 238110724

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 3730, 7460, 28867, 57734, 115468, 144335, 288670, 577340, 10767391, 21534782, 43069564, 53836955, 107673910, 215347820]

約数ペア:

[(1, 215347820), (2, 107673910), (4, 53836955), (5, 43069564), (10, 21534782), (20, 10767391), (373, 577340), (746, 288670), (1492, 144335), (1865, 115468), (3730, 57734), (7460, 28867)]