212311330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{275729}}^1$

素因数の和:275754

約数の個数: 32

約数和(自身を含む): 476461440

約数和(自身を除く): 264150110

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 275729, 551458, 1378645, 1930103, 2757290, 3033019, 3860206, 6066038, 9650515, 15165095, 19301030, 21231133, 30330190, 42462266, 106155665, 212311330]

約数ペア:

[(1, 212311330), (2, 106155665), (5, 42462266), (7, 30330190), (10, 21231133), (11, 19301030), (14, 15165095), (22, 9650515), (35, 6066038), (55, 3860206), (70, 3033019), (77, 2757290), (110, 1930103), (154, 1378645), (385, 551458), (770, 275729)]