161420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1153}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 387744

約数和(自身を除く): 226324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1153, 2306, 4612, 5765, 8071, 11530, 16142, 23060, 32284, 40355, 80710, 161420]

約数ペア:

[(1, 161420), (2, 80710), (4, 40355), (5, 32284), (7, 23060), (10, 16142), (14, 11530), (20, 8071), (28, 5765), (35, 4612), (70, 2306), (140, 1153)]