408046060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{2557}}^1$

素因数の和:2746

約数の個数: 48

約数和(自身を含む): 876677760

約数和(自身を除く): 468631700

約数列:

[1, 2, 4, 5, 10, 20, 79, 101, 158, 202, 316, 395, 404, 505, 790, 1010, 1580, 2020, 2557, 5114, 7979, 10228, 12785, 15958, 25570, 31916, 39895, 51140, 79790, 159580, 202003, 258257, 404006, 516514, 808012, 1010015, 1033028, 1291285, 2020030, 2582570, 4040060, 5165140, 20402303, 40804606, 81609212, 102011515, 204023030, 408046060]

約数ペア:

[(1, 408046060), (2, 204023030), (4, 102011515), (5, 81609212), (10, 40804606), (20, 20402303), (79, 5165140), (101, 4040060), (158, 2582570), (202, 2020030), (316, 1291285), (395, 1033028), (404, 1010015), (505, 808012), (790, 516514), (1010, 404006), (1580, 258257), (2020, 202003), (2557, 159580), (5114, 79790), (7979, 51140), (10228, 39895), (12785, 31916), (15958, 25570)]