280093225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{157799}}^1$

素因数の和:157880

約数の個数: 12

約数和(自身を含む): 352209600

約数和(自身を除く): 72116375

約数列:

[1, 5, 25, 71, 355, 1775, 157799, 788995, 3944975, 11203729, 56018645, 280093225]

約数ペア:

[(1, 280093225), (5, 56018645), (25, 11203729), (71, 3944975), (355, 788995), (1775, 157799)]