4890460

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{557}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 10311840

約数和(自身を除く): 5421380

約数列:

[1, 2, 4, 5, 10, 20, 439, 557, 878, 1114, 1756, 2195, 2228, 2785, 4390, 5570, 8780, 11140, 244523, 489046, 978092, 1222615, 2445230, 4890460]

約数ペア:

[(1, 4890460), (2, 2445230), (4, 1222615), (5, 978092), (10, 489046), (20, 244523), (439, 11140), (557, 8780), (878, 5570), (1114, 4390), (1756, 2785), (2195, 2228)]