28944860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{206749}}^1$

素因数の和:206765

約数の個数: 24

約数和(自身を含む): 69468000

約数和(自身を除く): 40523140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 206749, 413498, 826996, 1033745, 1447243, 2067490, 2894486, 4134980, 5788972, 7236215, 14472430, 28944860]

約数ペア:

[(1, 28944860), (2, 14472430), (4, 7236215), (5, 5788972), (7, 4134980), (10, 2894486), (14, 2067490), (20, 1447243), (28, 1033745), (35, 826996), (70, 413498), (140, 206749)]