210958.0000000

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1217}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 21704760

約数和(自身を除く): 12114800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1217, 1576, 1970, 2434, 3940, 4868, 6085, 7880, 9736, 12170, 24340, 48680, 239749, 479498, 958996, 1198745, 1917992, 2397490, 4794980, 9589960]

約数ペア:

[(1, 9589960), (2, 4794980), (4, 2397490), (5, 1917992), (8, 1198745), (10, 958996), (20, 479498), (40, 239749), (197, 48680), (394, 24340), (788, 12170), (985, 9736), (1217, 7880), (1576, 6085), (1970, 4868), (2434, 3940)]