129919540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{37549}}^1$

素因数の和:37731

約数の個数: 24

約数和(自身を含む): 274415400

約数和(自身を除く): 144495860

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 37549, 75098, 150196, 187745, 375490, 750980, 6495977, 12991954, 25983908, 32479885, 64959770, 129919540]

約数ペア:

[(1, 129919540), (2, 64959770), (4, 32479885), (5, 25983908), (10, 12991954), (20, 6495977), (173, 750980), (346, 375490), (692, 187745), (865, 150196), (1730, 75098), (3460, 37549)]