28436380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{203117}}^1$

素因数の和:203133

約数の個数: 24

約数和(自身を含む): 68247648

約数和(自身を除く): 39811268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 203117, 406234, 812468, 1015585, 1421819, 2031170, 2843638, 4062340, 5687276, 7109095, 14218190, 28436380]

約数ペア:

[(1, 28436380), (2, 14218190), (4, 7109095), (5, 5687276), (7, 4062340), (10, 2843638), (14, 2031170), (20, 1421819), (28, 1015585), (35, 812468), (70, 406234), (140, 203117)]