280050128

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{246523}}^1$

素因数の和:246602

約数の個数: 20

約数和(自身を含む): 550241568

約数和(自身を除く): 270191440

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 246523, 493046, 986092, 1972184, 3944368, 17503133, 35006266, 70012532, 140025064, 280050128]

約数ペア:

[(1, 280050128), (2, 140025064), (4, 70012532), (8, 35006266), (16, 17503133), (71, 3944368), (142, 1972184), (284, 986092), (568, 493046), (1136, 246523)]