280520065

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{53791}}^1$

素因数の和:53952

約数の個数: 16

約数和(自身を含む): 387302400

約数和(自身を除く): 106782335

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 53791, 268955, 376537, 1882685, 8014859, 40074295, 56104013, 280520065]

約数ペア:

[(1, 280520065), (5, 56104013), (7, 40074295), (35, 8014859), (149, 1882685), (745, 376537), (1043, 268955), (5215, 53791)]