290999492

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1116

約数の個数: 48

約数和(自身を含む): 594642048

約数和(自身を除く): 303642556

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 181, 268, 362, 469, 724, 857, 938, 1267, 1714, 1876, 2534, 3428, 5068, 5999, 11998, 12127, 23996, 24254, 48508, 57419, 84889, 114838, 155117, 169778, 229676, 310234, 339556, 401933, 620468, 803866, 1085819, 1607732, 2171638, 4343276, 10392839, 20785678, 41571356, 72749873, 145499746, 290999492]

約数ペア:

[(1, 290999492), (2, 145499746), (4, 72749873), (7, 41571356), (14, 20785678), (28, 10392839), (67, 4343276), (134, 2171638), (181, 1607732), (268, 1085819), (362, 803866), (469, 620468), (724, 401933), (857, 339556), (938, 310234), (1267, 229676), (1714, 169778), (1876, 155117), (2534, 114838), (3428, 84889), (5068, 57419), (5999, 48508), (11998, 24254), (12127, 23996)]