84742140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{201767}}^1$

素因数の和:201786

約数の個数: 48

約数和(自身を含む): 271176192

約数和(自身を除く): 186434052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 201767, 403534, 605301, 807068, 1008835, 1210602, 1412369, 2017670, 2421204, 2824738, 3026505, 4035340, 4237107, 5649476, 6053010, 7061845, 8474214, 12106020, 14123690, 16948428, 21185535, 28247380, 42371070, 84742140]

約数ペア:

[(1, 84742140), (2, 42371070), (3, 28247380), (4, 21185535), (5, 16948428), (6, 14123690), (7, 12106020), (10, 8474214), (12, 7061845), (14, 6053010), (15, 5649476), (20, 4237107), (21, 4035340), (28, 3026505), (30, 2824738), (35, 2421204), (42, 2017670), (60, 1412369), (70, 1210602), (84, 1008835), (105, 807068), (140, 605301), (210, 403534), (420, 201767)]