244339940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{939769}}^1$

素因数の和:939791

約数の個数: 24

約数和(自身を含む): 552584760

約数和(自身を除く): 308244820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 939769, 1879538, 3759076, 4698845, 9397690, 12216997, 18795380, 24433994, 48867988, 61084985, 122169970, 244339940]

約数ペア:

[(1, 244339940), (2, 122169970), (4, 61084985), (5, 48867988), (10, 24433994), (13, 18795380), (20, 12216997), (26, 9397690), (52, 4698845), (65, 3759076), (130, 1879538), (260, 939769)]