168184420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{86693}}^1$

素因数の和:86799

約数の個数: 24

約数和(自身を含む): 356832504

約数和(自身を除く): 188648084

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 86693, 173386, 346772, 433465, 866930, 1733860, 8409221, 16818442, 33636884, 42046105, 84092210, 168184420]

約数ペア:

[(1, 168184420), (2, 84092210), (4, 42046105), (5, 33636884), (10, 16818442), (20, 8409221), (97, 1733860), (194, 866930), (388, 433465), (485, 346772), (970, 173386), (1940, 86693)]