1220740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 2604672

約数和(自身を除く): 1383932

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 911, 1340, 1822, 3644, 4555, 9110, 18220, 61037, 122074, 244148, 305185, 610370, 1220740]

約数ペア:

[(1, 1220740), (2, 610370), (4, 305185), (5, 244148), (10, 122074), (20, 61037), (67, 18220), (134, 9110), (268, 4555), (335, 3644), (670, 1822), (911, 1340)]