84326440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4457}}^1$

素因数の和:4522

約数の個数: 64

約数和(自身を含む): 211844160

約数和(自身を除く): 127517720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4457, 4730, 8914, 9460, 17828, 18920, 22285, 35656, 44570, 49027, 89140, 98054, 178280, 191651, 196108, 245135, 383302, 392216, 490270, 766604, 958255, 980540, 1533208, 1916510, 1961080, 2108161, 3833020, 4216322, 7666040, 8432644, 10540805, 16865288, 21081610, 42163220, 84326440]

約数ペア:

[(1, 84326440), (2, 42163220), (4, 21081610), (5, 16865288), (8, 10540805), (10, 8432644), (11, 7666040), (20, 4216322), (22, 3833020), (40, 2108161), (43, 1961080), (44, 1916510), (55, 1533208), (86, 980540), (88, 958255), (110, 766604), (172, 490270), (215, 392216), (220, 383302), (344, 245135), (430, 196108), (440, 191651), (473, 178280), (860, 98054), (946, 89140), (1720, 49027), (1892, 44570), (2365, 35656), (3784, 22285), (4457, 18920), (4730, 17828), (8914, 9460)]