156780784970

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{220818007}}^1$

素因数の和:220818085

約数の個数: 16

約数和(自身を含む): 286180138368

約数和(自身を除く): 129399353398

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 220818007, 441636014, 1104090035, 2208180070, 15678078497, 31356156994, 78390392485, 156780784970]

約数ペア:

[(1, 156780784970), (2, 78390392485), (5, 31356156994), (10, 15678078497), (71, 2208180070), (142, 1104090035), (355, 441636014), (710, 220818007)]