137865980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{984757}}^1$

素因数の和:984773

約数の個数: 24

約数和(自身を含む): 330878688

約数和(自身を除く): 193012708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 984757, 1969514, 3939028, 4923785, 6893299, 9847570, 13786598, 19695140, 27573196, 34466495, 68932990, 137865980]

約数ペア:

[(1, 137865980), (2, 68932990), (4, 34466495), (5, 27573196), (7, 19695140), (10, 13786598), (14, 9847570), (20, 6893299), (28, 4923785), (35, 3939028), (70, 1969514), (140, 984757)]