188140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 413280

約数和(自身を除く): 225140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 409, 460, 818, 1636, 2045, 4090, 8180, 9407, 18814, 37628, 47035, 94070, 188140]

約数ペア:

[(1, 188140), (2, 94070), (4, 47035), (5, 37628), (10, 18814), (20, 9407), (23, 8180), (46, 4090), (92, 2045), (115, 1636), (230, 818), (409, 460)]