172193090

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{42101}}^1$

素因数の和:42517

約数の個数: 16

約数和(自身を含む): 310712760

約数和(自身を除く): 138519670

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 42101, 84202, 210505, 421010, 17219309, 34438618, 86096545, 172193090]

約数ペア:

[(1, 172193090), (2, 86096545), (5, 34438618), (10, 17219309), (409, 421010), (818, 210505), (2045, 84202), (4090, 42101)]