201322520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{719009}}^1$

素因数の和:719027

約数の個数: 32

約数和(自身を含む): 517687200

約数和(自身を除く): 316364680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 719009, 1438018, 2876036, 3595045, 5033063, 5752072, 7190090, 10066126, 14380180, 20132252, 25165315, 28760360, 40264504, 50330630, 100661260, 201322520]

約数ペア:

[(1, 201322520), (2, 100661260), (4, 50330630), (5, 40264504), (7, 28760360), (8, 25165315), (10, 20132252), (14, 14380180), (20, 10066126), (28, 7190090), (35, 5752072), (40, 5033063), (56, 3595045), (70, 2876036), (140, 1438018), (280, 719009)]