137740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 296352

約数和(自身を除く): 158612

約数列:

[1, 2, 4, 5, 10, 20, 71, 97, 142, 194, 284, 355, 388, 485, 710, 970, 1420, 1940, 6887, 13774, 27548, 34435, 68870, 137740]

約数ペア:

[(1, 137740), (2, 68870), (4, 34435), (5, 27548), (10, 13774), (20, 6887), (71, 1940), (97, 1420), (142, 970), (194, 710), (284, 485), (355, 388)]