307788680

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{39869}}^1$

素因数の和:40073

約数の個数: 32

約数和(自身を含む): 696130200

約数和(自身を除く): 388341520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 39869, 79738, 159476, 199345, 318952, 398690, 797380, 1594760, 7694717, 15389434, 30778868, 38473585, 61557736, 76947170, 153894340, 307788680]

約数ペア:

[(1, 307788680), (2, 153894340), (4, 76947170), (5, 61557736), (8, 38473585), (10, 30778868), (20, 15389434), (40, 7694717), (193, 1594760), (386, 797380), (772, 398690), (965, 318952), (1544, 199345), (1930, 159476), (3860, 79738), (7720, 39869)]