28185637660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{156257}}^1$

素因数の和:156606

約数の個数: 48

約数和(自身を含む): 61428144960

約数和(自身を除く): 33242507300

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 311, 580, 622, 1244, 1555, 3110, 6220, 9019, 18038, 36076, 45095, 90190, 156257, 180380, 312514, 625028, 781285, 1562570, 3125140, 4531453, 9062906, 18125812, 22657265, 45314530, 48595927, 90629060, 97191854, 194383708, 242979635, 485959270, 971918540, 1409281883, 2818563766, 5637127532, 7046409415, 14092818830, 28185637660]

約数ペア:

[(1, 28185637660), (2, 14092818830), (4, 7046409415), (5, 5637127532), (10, 2818563766), (20, 1409281883), (29, 971918540), (58, 485959270), (116, 242979635), (145, 194383708), (290, 97191854), (311, 90629060), (580, 48595927), (622, 45314530), (1244, 22657265), (1555, 18125812), (3110, 9062906), (6220, 4531453), (9019, 3125140), (18038, 1562570), (36076, 781285), (45095, 625028), (90190, 312514), (156257, 180380)]