77952460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 167731200

約数和(自身を除く): 89778740

約数列:

[1, 2, 4, 5, 10, 20, 79, 103, 158, 206, 316, 395, 412, 479, 515, 790, 958, 1030, 1580, 1916, 2060, 2395, 4790, 8137, 9580, 16274, 32548, 37841, 40685, 49337, 75682, 81370, 98674, 151364, 162740, 189205, 197348, 246685, 378410, 493370, 756820, 986740, 3897623, 7795246, 15590492, 19488115, 38976230, 77952460]

約数ペア:

[(1, 77952460), (2, 38976230), (4, 19488115), (5, 15590492), (10, 7795246), (20, 3897623), (79, 986740), (103, 756820), (158, 493370), (206, 378410), (316, 246685), (395, 197348), (412, 189205), (479, 162740), (515, 151364), (790, 98674), (958, 81370), (1030, 75682), (1580, 49337), (1916, 40685), (2060, 37841), (2395, 32548), (4790, 16274), (8137, 9580)]