2030245

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 3041280

約数和(自身を除く): 1011035

約数列:

[1, 5, 7, 19, 35, 43, 71, 95, 133, 215, 301, 355, 497, 665, 817, 1349, 1505, 2485, 3053, 4085, 5719, 6745, 9443, 15265, 21371, 28595, 47215, 58007, 106855, 290035, 406049, 2030245]

約数ペア:

[(1, 2030245), (5, 406049), (7, 290035), (19, 106855), (35, 58007), (43, 47215), (71, 28595), (95, 21371), (133, 15265), (215, 9443), (301, 6745), (355, 5719), (497, 4085), (665, 3053), (817, 2485), (1349, 1505)]