209224880

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20593}}^1$

素因数の和:20733

約数の個数: 40

約数和(自身を含む): 490301952

約数和(自身を除く): 281077072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20593, 41186, 82372, 102965, 164744, 205930, 329488, 411860, 823720, 1647440, 2615311, 5230622, 10461244, 13076555, 20922488, 26153110, 41844976, 52306220, 104612440, 209224880]

約数ペア:

[(1, 209224880), (2, 104612440), (4, 52306220), (5, 41844976), (8, 26153110), (10, 20922488), (16, 13076555), (20, 10461244), (40, 5230622), (80, 2615311), (127, 1647440), (254, 823720), (508, 411860), (635, 329488), (1016, 205930), (1270, 164744), (2032, 102965), (2540, 82372), (5080, 41186), (10160, 20593)]