660277220

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1138409}}^1$

素因数の和:1138447

約数の個数: 24

約数和(自身を含む): 1434396600

約数和(自身を除く): 774119380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1138409, 2276818, 4553636, 5692045, 11384090, 22768180, 33013861, 66027722, 132055444, 165069305, 330138610, 660277220]

約数ペア:

[(1, 660277220), (2, 330138610), (4, 165069305), (5, 132055444), (10, 66027722), (20, 33013861), (29, 22768180), (58, 11384090), (116, 5692045), (145, 4553636), (290, 2276818), (580, 1138409)]