208487510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{270763}}^1$

素因数の和:270788

約数の個数: 32

約数和(自身を含む): 467880192

約数和(自身を除く): 259392682

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 270763, 541526, 1353815, 1895341, 2707630, 2978393, 3790682, 5956786, 9476705, 14891965, 18953410, 20848751, 29783930, 41697502, 104243755, 208487510]

約数ペア:

[(1, 208487510), (2, 104243755), (5, 41697502), (7, 29783930), (10, 20848751), (11, 18953410), (14, 14891965), (22, 9476705), (35, 5956786), (55, 3790682), (70, 2978393), (77, 2707630), (110, 1895341), (154, 1353815), (385, 541526), (770, 270763)]