168463780

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{86837}}^1$

素因数の和:86943

約数の個数: 24

約数和(自身を含む): 357425208

約数和(自身を除く): 188961428

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 86837, 173674, 347348, 434185, 868370, 1736740, 8423189, 16846378, 33692756, 42115945, 84231890, 168463780]

約数ペア:

[(1, 168463780), (2, 84231890), (4, 42115945), (5, 33692756), (10, 16846378), (20, 8423189), (97, 1736740), (194, 868370), (388, 434185), (485, 347348), (970, 173674), (1940, 86837)]