31756220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{433}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 70724640

約数和(自身を除く): 38968420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 193, 380, 386, 433, 772, 866, 965, 1732, 1930, 2165, 3667, 3860, 4330, 7334, 8227, 8660, 14668, 16454, 18335, 32908, 36670, 41135, 73340, 82270, 83569, 164540, 167138, 334276, 417845, 835690, 1587811, 1671380, 3175622, 6351244, 7939055, 15878110, 31756220]

約数ペア:

[(1, 31756220), (2, 15878110), (4, 7939055), (5, 6351244), (10, 3175622), (19, 1671380), (20, 1587811), (38, 835690), (76, 417845), (95, 334276), (190, 167138), (193, 164540), (380, 83569), (386, 82270), (433, 73340), (772, 41135), (866, 36670), (965, 32908), (1732, 18335), (1930, 16454), (2165, 14668), (3667, 8660), (3860, 8227), (4330, 7334)]