127638980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{911707}}^1$

素因数の和:911723

約数の個数: 24

約数和(自身を含む): 306333888

約数和(自身を除く): 178694908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 911707, 1823414, 3646828, 4558535, 6381949, 9117070, 12763898, 18234140, 25527796, 31909745, 63819490, 127638980]

約数ペア:

[(1, 127638980), (2, 63819490), (4, 31909745), (5, 25527796), (7, 18234140), (10, 12763898), (14, 9117070), (20, 6381949), (28, 4558535), (35, 3646828), (70, 1823414), (140, 911707)]