138797860

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{408229}}^1$

素因数の和:408255

約数の個数: 24

約数和(自身を含む): 308621880

約数和(自身を除く): 169824020

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 408229, 816458, 1632916, 2041145, 4082290, 6939893, 8164580, 13879786, 27759572, 34699465, 69398930, 138797860]

約数ペア:

[(1, 138797860), (2, 69398930), (4, 34699465), (5, 27759572), (10, 13879786), (17, 8164580), (20, 6939893), (34, 4082290), (68, 2041145), (85, 1632916), (170, 816458), (340, 408229)]