1387690860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{176551}}^1$

素因数の和:176694

約数の個数: 48

約数和(自身を含む): 3915217152

約数和(自身を除く): 2527526292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 262, 393, 524, 655, 786, 1310, 1572, 1965, 2620, 3930, 7860, 176551, 353102, 529653, 706204, 882755, 1059306, 1765510, 2118612, 2648265, 3531020, 5296530, 10593060, 23128181, 46256362, 69384543, 92512724, 115640905, 138769086, 231281810, 277538172, 346922715, 462563620, 693845430, 1387690860]

約数ペア:

[(1, 1387690860), (2, 693845430), (3, 462563620), (4, 346922715), (5, 277538172), (6, 231281810), (10, 138769086), (12, 115640905), (15, 92512724), (20, 69384543), (30, 46256362), (60, 23128181), (131, 10593060), (262, 5296530), (393, 3531020), (524, 2648265), (655, 2118612), (786, 1765510), (1310, 1059306), (1572, 882755), (1965, 706204), (2620, 529653), (3930, 353102), (7860, 176551)]