247491160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{126271}}^1$

素因数の和:126296

約数の個数: 48

約数和(自身を含む): 647775360

約数和(自身を除く): 400284200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 126271, 252542, 505084, 631355, 883897, 1010168, 1262710, 1767794, 2525420, 3535588, 4419485, 5050840, 6187279, 7071176, 8838970, 12374558, 17677940, 24749116, 30936395, 35355880, 49498232, 61872790, 123745580, 247491160]

約数ペア:

[(1, 247491160), (2, 123745580), (4, 61872790), (5, 49498232), (7, 35355880), (8, 30936395), (10, 24749116), (14, 17677940), (20, 12374558), (28, 8838970), (35, 7071176), (40, 6187279), (49, 5050840), (56, 4419485), (70, 3535588), (98, 2525420), (140, 1767794), (196, 1262710), (245, 1010168), (280, 883897), (392, 631355), (490, 505084), (980, 252542), (1960, 126271)]