2704240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 7856640

約数和(自身を除く): 5152400

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 439, 440, 560, 616, 770, 878, 880, 1232, 1540, 1756, 2195, 3073, 3080, 3512, 4390, 4829, 6146, 6160, 7024, 8780, 9658, 12292, 15365, 17560, 19316, 24145, 24584, 30730, 33803, 35120, 38632, 48290, 49168, 61460, 67606, 77264, 96580, 122920, 135212, 169015, 193160, 245840, 270424, 338030, 386320, 540848, 676060, 1352120, 2704240]

約数ペア:

[(1, 2704240), (2, 1352120), (4, 676060), (5, 540848), (7, 386320), (8, 338030), (10, 270424), (11, 245840), (14, 193160), (16, 169015), (20, 135212), (22, 122920), (28, 96580), (35, 77264), (40, 67606), (44, 61460), (55, 49168), (56, 48290), (70, 38632), (77, 35120), (80, 33803), (88, 30730), (110, 24584), (112, 24145), (140, 19316), (154, 17560), (176, 15365), (220, 12292), (280, 9658), (308, 8780), (385, 7024), (439, 6160), (440, 6146), (560, 4829), (616, 4390), (770, 3512), (878, 3080), (880, 3073), (1232, 2195), (1540, 1756)]