212801860

素因数分解:

$2^2\times 5^1\times {\mathrm{2459}}^1\times {\mathrm{4327}}^1$

素因数の和:6795

約数の個数: 24

約数和(自身を含む): 447168960

約数和(自身を除く): 234367100

約数列:

[1, 2, 4, 5, 10, 20, 2459, 4327, 4918, 8654, 9836, 12295, 17308, 21635, 24590, 43270, 49180, 86540, 10640093, 21280186, 42560372, 53200465, 106400930, 212801860]

約数ペア:

[(1, 212801860), (2, 106400930), (4, 53200465), (5, 42560372), (10, 21280186), (20, 10640093), (2459, 86540), (4327, 49180), (4918, 43270), (8654, 24590), (9836, 21635), (12295, 17308)]