4028780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{4111}}^1$

素因数の和:4134

約数の個数: 36

約数和(自身を含む): 9844128

約数和(自身を除く): 5815348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4111, 8222, 16444, 20555, 28777, 41110, 57554, 82220, 115108, 143885, 201439, 287770, 402878, 575540, 805756, 1007195, 2014390, 4028780]

約数ペア:

[(1, 4028780), (2, 2014390), (4, 1007195), (5, 805756), (7, 575540), (10, 402878), (14, 287770), (20, 201439), (28, 143885), (35, 115108), (49, 82220), (70, 57554), (98, 41110), (140, 28777), (196, 20555), (245, 16444), (490, 8222), (980, 4111)]