261715580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{17471}}^1$

素因数の和:17594

約数の個数: 48

約数和(自身を含む): 634023936

約数和(自身を除く): 372308356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2140, 2996, 3745, 7490, 14980, 17471, 34942, 69884, 87355, 122297, 174710, 244594, 349420, 489188, 611485, 1222970, 1869397, 2445940, 3738794, 7477588, 9346985, 13085779, 18693970, 26171558, 37387940, 52343116, 65428895, 130857790, 261715580]

約数ペア:

[(1, 261715580), (2, 130857790), (4, 65428895), (5, 52343116), (7, 37387940), (10, 26171558), (14, 18693970), (20, 13085779), (28, 9346985), (35, 7477588), (70, 3738794), (107, 2445940), (140, 1869397), (214, 1222970), (428, 611485), (535, 489188), (749, 349420), (1070, 244594), (1498, 174710), (2140, 122297), (2996, 87355), (3745, 69884), (7490, 34942), (14980, 17471)]