89876156780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1\times {\mathrm{234431}}^1$

素因数の和:235130

約数の個数: 48

約数和(自身を含む): 195544419840

約数和(自身を除く): 105668263060

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 661, 1322, 2644, 3305, 6610, 13220, 19169, 38338, 76676, 95845, 191690, 234431, 383380, 468862, 937724, 1172155, 2344310, 4688620, 6798499, 13596998, 27193996, 33992495, 67984990, 135969980, 154958891, 309917782, 619835564, 774794455, 1549588910, 3099177820, 4493807839, 8987615678, 17975231356, 22469039195, 44938078390, 89876156780]

約数ペア:

[(1, 89876156780), (2, 44938078390), (4, 22469039195), (5, 17975231356), (10, 8987615678), (20, 4493807839), (29, 3099177820), (58, 1549588910), (116, 774794455), (145, 619835564), (290, 309917782), (580, 154958891), (661, 135969980), (1322, 67984990), (2644, 33992495), (3305, 27193996), (6610, 13596998), (13220, 6798499), (19169, 4688620), (38338, 2344310), (76676, 1172155), (95845, 937724), (191690, 468862), (234431, 383380)]