205100900

素因数分解:

$2^2\times 5^2\times {\mathrm{563}}^1\times {\mathrm{3643}}^1$

素因数の和:4220

約数の個数: 36

約数和(自身を含む): 445981872

約数和(自身を除く): 240880972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 563, 1126, 2252, 2815, 3643, 5630, 7286, 11260, 14075, 14572, 18215, 28150, 36430, 56300, 72860, 91075, 182150, 364300, 2051009, 4102018, 8204036, 10255045, 20510090, 41020180, 51275225, 102550450, 205100900]

約数ペア:

[(1, 205100900), (2, 102550450), (4, 51275225), (5, 41020180), (10, 20510090), (20, 10255045), (25, 8204036), (50, 4102018), (100, 2051009), (563, 364300), (1126, 182150), (2252, 91075), (2815, 72860), (3643, 56300), (5630, 36430), (7286, 28150), (11260, 18215), (14075, 14572)]