85870540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87623}}^1$

素因数の和:87646

約数の個数: 36

約数和(自身を含む): 209771856

約数和(自身を除く): 123901316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87623, 175246, 350492, 438115, 613361, 876230, 1226722, 1752460, 2453444, 3066805, 4293527, 6133610, 8587054, 12267220, 17174108, 21467635, 42935270, 85870540]

約数ペア:

[(1, 85870540), (2, 42935270), (4, 21467635), (5, 17174108), (7, 12267220), (10, 8587054), (14, 6133610), (20, 4293527), (28, 3066805), (35, 2453444), (49, 1752460), (70, 1226722), (98, 876230), (140, 613361), (196, 438115), (245, 350492), (490, 175246), (980, 87623)]