2544850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 5910336

約数和(自身を除く): 3365486

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 661, 770, 1322, 1925, 3305, 3850, 4627, 6610, 7271, 9254, 14542, 16525, 23135, 33050, 36355, 46270, 50897, 72710, 101794, 115675, 181775, 231350, 254485, 363550, 508970, 1272425, 2544850]

約数ペア:

[(1, 2544850), (2, 1272425), (5, 508970), (7, 363550), (10, 254485), (11, 231350), (14, 181775), (22, 115675), (25, 101794), (35, 72710), (50, 50897), (55, 46270), (70, 36355), (77, 33050), (110, 23135), (154, 16525), (175, 14542), (275, 9254), (350, 7271), (385, 6610), (550, 4627), (661, 3850), (770, 3305), (1322, 1925)]