71486380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{510617}}^1$

素因数の和:510633

約数の個数: 24

約数和(自身を含む): 171567648

約数和(自身を除く): 100081268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 510617, 1021234, 2042468, 2553085, 3574319, 5106170, 7148638, 10212340, 14297276, 17871595, 35743190, 71486380]

約数ペア:

[(1, 71486380), (2, 35743190), (4, 17871595), (5, 14297276), (7, 10212340), (10, 7148638), (14, 5106170), (20, 3574319), (28, 2553085), (35, 2042468), (70, 1021234), (140, 510617)]