291222940

素因数分解:

$2^2\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{5501}}^1$

素因数の和:8157

約数の個数: 24

約数和(自身を含む): 611910432

約数和(自身を除く): 320687492

約数列:

[1, 2, 4, 5, 10, 20, 2647, 5294, 5501, 10588, 11002, 13235, 22004, 26470, 27505, 52940, 55010, 110020, 14561147, 29122294, 58244588, 72805735, 145611470, 291222940]

約数ペア:

[(1, 291222940), (2, 145611470), (4, 72805735), (5, 58244588), (10, 29122294), (20, 14561147), (2647, 110020), (5294, 55010), (5501, 52940), (10588, 27505), (11002, 26470), (13235, 22004)]