129130340

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{21031}}^1$

素因数の和:21347

約数の個数: 24

約数和(自身を含む): 272069952

約数和(自身を除く): 142939612

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 21031, 42062, 84124, 105155, 210310, 420620, 6456517, 12913034, 25826068, 32282585, 64565170, 129130340]

約数ペア:

[(1, 129130340), (2, 64565170), (4, 32282585), (5, 25826068), (10, 12913034), (20, 6456517), (307, 420620), (614, 210310), (1228, 105155), (1535, 84124), (3070, 42062), (6140, 21031)]