97812860

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 209685504

約数和(自身を除く): 111872644

約数列:

[1, 2, 4, 5, 10, 20, 97, 127, 194, 254, 388, 397, 485, 508, 635, 794, 970, 1270, 1588, 1940, 1985, 2540, 3970, 7940, 12319, 24638, 38509, 49276, 50419, 61595, 77018, 100838, 123190, 154036, 192545, 201676, 246380, 252095, 385090, 504190, 770180, 1008380, 4890643, 9781286, 19562572, 24453215, 48906430, 97812860]

約数ペア:

[(1, 97812860), (2, 48906430), (4, 24453215), (5, 19562572), (10, 9781286), (20, 4890643), (97, 1008380), (127, 770180), (194, 504190), (254, 385090), (388, 252095), (397, 246380), (485, 201676), (508, 192545), (635, 154036), (794, 123190), (970, 100838), (1270, 77018), (1588, 61595), (1940, 50419), (1985, 49276), (2540, 38509), (3970, 24638), (7940, 12319)]