1705240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 3888000

約数和(自身を除く): 2182760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 479, 712, 890, 958, 1780, 1916, 2395, 3560, 3832, 4790, 9580, 19160, 42631, 85262, 170524, 213155, 341048, 426310, 852620, 1705240]

約数ペア:

[(1, 1705240), (2, 852620), (4, 426310), (5, 341048), (8, 213155), (10, 170524), (20, 85262), (40, 42631), (89, 19160), (178, 9580), (356, 4790), (445, 3832), (479, 3560), (712, 2395), (890, 1916), (958, 1780)]