201359540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{234139}}^1$

素因数の和:234191

約数の個数: 24

約数和(自身を含む): 432690720

約数和(自身を除く): 231331180

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 234139, 468278, 936556, 1170695, 2341390, 4682780, 10067977, 20135954, 40271908, 50339885, 100679770, 201359540]

約数ペア:

[(1, 201359540), (2, 100679770), (4, 50339885), (5, 40271908), (10, 20135954), (20, 10067977), (43, 4682780), (86, 2341390), (172, 1170695), (215, 936556), (430, 468278), (860, 234139)]