2912980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20807}}^1$

素因数の和:20823

約数の個数: 24

約数和(自身を含む): 6991488

約数和(自身を除く): 4078508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20807, 41614, 83228, 104035, 145649, 208070, 291298, 416140, 582596, 728245, 1456490, 2912980]

約数ペア:

[(1, 2912980), (2, 1456490), (4, 728245), (5, 582596), (7, 416140), (10, 291298), (14, 208070), (20, 145649), (28, 104035), (35, 83228), (70, 41614), (140, 20807)]