85534120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305479}}^1$

素因数の和:305497

約数の個数: 32

約数和(自身を含む): 219945600

約数和(自身を除く): 134411480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305479, 610958, 1221916, 1527395, 2138353, 2443832, 3054790, 4276706, 6109580, 8553412, 10691765, 12219160, 17106824, 21383530, 42767060, 85534120]

約数ペア:

[(1, 85534120), (2, 42767060), (4, 21383530), (5, 17106824), (7, 12219160), (8, 10691765), (10, 8553412), (14, 6109580), (20, 4276706), (28, 3054790), (35, 2443832), (40, 2138353), (56, 1527395), (70, 1221916), (140, 610958), (280, 305479)]