15259420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 35280000

約数和(自身を除く): 20020580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 499, 556, 695, 998, 1390, 1529, 1996, 2495, 2780, 3058, 4990, 5489, 6116, 7645, 9980, 10978, 15290, 21956, 27445, 30580, 54890, 69361, 109780, 138722, 277444, 346805, 693610, 762971, 1387220, 1525942, 3051884, 3814855, 7629710, 15259420]

約数ペア:

[(1, 15259420), (2, 7629710), (4, 3814855), (5, 3051884), (10, 1525942), (11, 1387220), (20, 762971), (22, 693610), (44, 346805), (55, 277444), (110, 138722), (139, 109780), (220, 69361), (278, 54890), (499, 30580), (556, 27445), (695, 21956), (998, 15290), (1390, 10978), (1529, 9980), (1996, 7645), (2495, 6116), (2780, 5489), (3058, 4990)]