890449910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{12720713}}^1$

素因数の和:12720727

約数の個数: 16

約数和(自身を含む): 1831782816

約数和(自身を除く): 941332906

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 12720713, 25441426, 63603565, 89044991, 127207130, 178089982, 445224955, 890449910]

約数ペア:

[(1, 890449910), (2, 445224955), (5, 178089982), (7, 127207130), (10, 89044991), (14, 63603565), (35, 25441426), (70, 12720713)]