72788380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{519917}}^1$

素因数の和:519933

約数の個数: 24

約数和(自身を含む): 174692448

約数和(自身を除く): 101904068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 519917, 1039834, 2079668, 2599585, 3639419, 5199170, 7278838, 10398340, 14557676, 18197095, 36394190, 72788380]

約数ペア:

[(1, 72788380), (2, 36394190), (4, 18197095), (5, 14557676), (7, 10398340), (10, 7278838), (14, 5199170), (20, 3639419), (28, 2599585), (35, 2079668), (70, 1039834), (140, 519917)]