320428475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{347}}^1\times {\mathrm{859}}^1$

素因数の和:1259

約数の個数: 24

約数和(自身を含む): 408217920

約数和(自身を除く): 87789445

約数列:

[1, 5, 25, 43, 215, 347, 859, 1075, 1735, 4295, 8675, 14921, 21475, 36937, 74605, 184685, 298073, 373025, 923425, 1490365, 7451825, 12817139, 64085695, 320428475]

約数ペア:

[(1, 320428475), (5, 64085695), (25, 12817139), (43, 7451825), (215, 1490365), (347, 923425), (859, 373025), (1075, 298073), (1735, 184685), (4295, 74605), (8675, 36937), (14921, 21475)]