168423980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443221}}^1$

素因数の和:443249

約数の個数: 24

約数和(自身を含む): 372306480

約数和(自身を除く): 203882500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 443221, 886442, 1772884, 2216105, 4432210, 8421199, 8864420, 16842398, 33684796, 42105995, 84211990, 168423980]

約数ペア:

[(1, 168423980), (2, 84211990), (4, 42105995), (5, 33684796), (10, 16842398), (19, 8864420), (20, 8421199), (38, 4432210), (76, 2216105), (95, 1772884), (190, 886442), (380, 443221)]