71808380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{512917}}^1$

素因数の和:512933

約数の個数: 24

約数和(自身を含む): 172340448

約数和(自身を除く): 100532068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 512917, 1025834, 2051668, 2564585, 3590419, 5129170, 7180838, 10258340, 14361676, 17952095, 35904190, 71808380]

約数ペア:

[(1, 71808380), (2, 35904190), (4, 17952095), (5, 14361676), (7, 10258340), (10, 7180838), (14, 5129170), (20, 3590419), (28, 2564585), (35, 2051668), (70, 1025834), (140, 512917)]