28168420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201203}}^1$

素因数の和:201219

約数の個数: 24

約数和(自身を含む): 67604544

約数和(自身を除く): 39436124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201203, 402406, 804812, 1006015, 1408421, 2012030, 2816842, 4024060, 5633684, 7042105, 14084210, 28168420]

約数ペア:

[(1, 28168420), (2, 14084210), (4, 7042105), (5, 5633684), (7, 4024060), (10, 2816842), (14, 2012030), (20, 1408421), (28, 1006015), (35, 804812), (70, 402406), (140, 201203)]