2856980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20407}}^1$

素因数の和:20423

約数の個数: 24

約数和(自身を含む): 6857088

約数和(自身を除く): 4000108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20407, 40814, 81628, 102035, 142849, 204070, 285698, 408140, 571396, 714245, 1428490, 2856980]

約数ペア:

[(1, 2856980), (2, 1428490), (4, 714245), (5, 571396), (7, 408140), (10, 285698), (14, 204070), (20, 142849), (28, 102035), (35, 81628), (70, 40814), (140, 20407)]