87278380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623417}}^1$

素因数の和:623433

約数の個数: 24

約数和(自身を含む): 209468448

約数和(自身を除く): 122190068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623417, 1246834, 2493668, 3117085, 4363919, 6234170, 8727838, 12468340, 17455676, 21819595, 43639190, 87278380]

約数ペア:

[(1, 87278380), (2, 43639190), (4, 21819595), (5, 17455676), (7, 12468340), (10, 8727838), (14, 6234170), (20, 4363919), (28, 3117085), (35, 2493668), (70, 1246834), (140, 623417)]