202078520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{721709}}^1$

素因数の和:721727

約数の個数: 32

約数和(自身を含む): 519631200

約数和(自身を除く): 317552680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 721709, 1443418, 2886836, 3608545, 5051963, 5773672, 7217090, 10103926, 14434180, 20207852, 25259815, 28868360, 40415704, 50519630, 101039260, 202078520]

約数ペア:

[(1, 202078520), (2, 101039260), (4, 50519630), (5, 40415704), (7, 28868360), (8, 25259815), (10, 20207852), (14, 14434180), (20, 10103926), (28, 7217090), (35, 5773672), (40, 5051963), (56, 3608545), (70, 2886836), (140, 1443418), (280, 721709)]