177740140

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{16427}}^1$

素因数の和:16977

約数の個数: 24

約数和(自身を含む): 373966992

約数和(自身を除く): 196226852

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 2164, 2705, 5410, 10820, 16427, 32854, 65708, 82135, 164270, 328540, 8887007, 17774014, 35548028, 44435035, 88870070, 177740140]

約数ペア:

[(1, 177740140), (2, 88870070), (4, 44435035), (5, 35548028), (10, 17774014), (20, 8887007), (541, 328540), (1082, 164270), (2164, 82135), (2705, 65708), (5410, 32854), (10820, 16427)]