31506580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 75962880

約数和(自身を除く): 44456300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 719, 1252, 1438, 1565, 2191, 2876, 3130, 3595, 4382, 5033, 6260, 7190, 8764, 10066, 10955, 14380, 20132, 21910, 25165, 43820, 50330, 100660, 225047, 450094, 900188, 1125235, 1575329, 2250470, 3150658, 4500940, 6301316, 7876645, 15753290, 31506580]

約数ペア:

[(1, 31506580), (2, 15753290), (4, 7876645), (5, 6301316), (7, 4500940), (10, 3150658), (14, 2250470), (20, 1575329), (28, 1125235), (35, 900188), (70, 450094), (140, 225047), (313, 100660), (626, 50330), (719, 43820), (1252, 25165), (1438, 21910), (1565, 20132), (2191, 14380), (2876, 10955), (3130, 10066), (3595, 8764), (4382, 7190), (5033, 6260)]