201219645260

素因数分解:

$2^2\times 5^1\times {\mathrm{112909}}^1\times {\mathrm{89107}}^1$

素因数の和:202025

約数の個数: 24

約数和(自身を含む): 422569739760

約数和(自身を除く): 221350094500

約数列:

[1, 2, 4, 5, 10, 20, 89107, 112909, 178214, 225818, 356428, 445535, 451636, 564545, 891070, 1129090, 1782140, 2258180, 10060982263, 20121964526, 40243929052, 50304911315, 100609822630, 201219645260]

約数ペア:

[(1, 201219645260), (2, 100609822630), (4, 50304911315), (5, 40243929052), (10, 20121964526), (20, 10060982263), (89107, 2258180), (112909, 1782140), (178214, 1129090), (225818, 891070), (356428, 564545), (445535, 451636)]