3887660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{3967}}^1$

素因数の和:3990

約数の個数: 36

約数和(自身を含む): 9499392

約数和(自身を除く): 5611732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3967, 7934, 15868, 19835, 27769, 39670, 55538, 79340, 111076, 138845, 194383, 277690, 388766, 555380, 777532, 971915, 1943830, 3887660]

約数ペア:

[(1, 3887660), (2, 1943830), (4, 971915), (5, 777532), (7, 555380), (10, 388766), (14, 277690), (20, 194383), (28, 138845), (35, 111076), (49, 79340), (70, 55538), (98, 39670), (140, 27769), (196, 19835), (245, 15868), (490, 7934), (980, 3967)]