71884220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{189169}}^1$

素因数の和:189197

約数の個数: 24

約数和(自身を含む): 158902800

約数和(自身を除く): 87018580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 189169, 378338, 756676, 945845, 1891690, 3594211, 3783380, 7188422, 14376844, 17971055, 35942110, 71884220]

約数ペア:

[(1, 71884220), (2, 35942110), (4, 17971055), (5, 14376844), (10, 7188422), (19, 3783380), (20, 3594211), (38, 1891690), (76, 945845), (95, 756676), (190, 378338), (380, 189169)]