768004780

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{152989}}^1$

素因数の和:153249

約数の個数: 24

約数和(自身を含む): 1619246160

約数和(自身を除く): 851241380

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 152989, 305978, 611956, 764945, 1529890, 3059780, 38400239, 76800478, 153600956, 192001195, 384002390, 768004780]

約数ペア:

[(1, 768004780), (2, 384002390), (4, 192001195), (5, 153600956), (10, 76800478), (20, 38400239), (251, 3059780), (502, 1529890), (1004, 764945), (1255, 611956), (2510, 305978), (5020, 152989)]