172340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1231}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 413952

約数和(自身を除く): 241612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1231, 2462, 4924, 6155, 8617, 12310, 17234, 24620, 34468, 43085, 86170, 172340]

約数ペア:

[(1, 172340), (2, 86170), (4, 43085), (5, 34468), (7, 24620), (10, 17234), (14, 12310), (20, 8617), (28, 6155), (35, 4924), (70, 2462), (140, 1231)]