31310180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{142319}}^1$

素因数の和:142339

約数の個数: 24

約数和(自身を含む): 71729280

約数和(自身を除く): 40419100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 142319, 284638, 569276, 711595, 1423190, 1565509, 2846380, 3131018, 6262036, 7827545, 15655090, 31310180]

約数ペア:

[(1, 31310180), (2, 15655090), (4, 7827545), (5, 6262036), (10, 3131018), (11, 2846380), (20, 1565509), (22, 1423190), (44, 711595), (55, 569276), (110, 284638), (220, 142319)]