205213290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{402379}}^1$

素因数の和:402406

約数の個数: 32

約数和(自身を含む): 521484480

約数和(自身を除く): 316271190

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 402379, 804758, 1207137, 2011895, 2414274, 4023790, 6035685, 6840443, 12071370, 13680886, 20521329, 34202215, 41042658, 68404430, 102606645, 205213290]

約数ペア:

[(1, 205213290), (2, 102606645), (3, 68404430), (5, 41042658), (6, 34202215), (10, 20521329), (15, 13680886), (17, 12071370), (30, 6840443), (34, 6035685), (51, 4023790), (85, 2414274), (102, 2011895), (170, 1207137), (255, 804758), (510, 402379)]