205877980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3109}}^1$

素因数の和:3179

約数の個数: 96

約数和(自身を含む): 551738880

約数和(自身を除く): 345860900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 301, 308, 385, 430, 473, 602, 770, 860, 946, 1204, 1505, 1540, 1892, 2365, 3010, 3109, 3311, 4730, 6020, 6218, 6622, 9460, 12436, 13244, 15545, 16555, 21763, 31090, 33110, 34199, 43526, 62180, 66220, 68398, 87052, 108815, 133687, 136796, 170995, 217630, 239393, 267374, 341990, 435260, 478786, 534748, 668435, 683980, 935809, 957572, 1196965, 1336870, 1470557, 1871618, 2393930, 2673740, 2941114, 3743236, 4679045, 4787860, 5882228, 7352785, 9358090, 10293899, 14705570, 18716180, 20587798, 29411140, 41175596, 51469495, 102938990, 205877980]

約数ペア:

[(1, 205877980), (2, 102938990), (4, 51469495), (5, 41175596), (7, 29411140), (10, 20587798), (11, 18716180), (14, 14705570), (20, 10293899), (22, 9358090), (28, 7352785), (35, 5882228), (43, 4787860), (44, 4679045), (55, 3743236), (70, 2941114), (77, 2673740), (86, 2393930), (110, 1871618), (140, 1470557), (154, 1336870), (172, 1196965), (215, 957572), (220, 935809), (301, 683980), (308, 668435), (385, 534748), (430, 478786), (473, 435260), (602, 341990), (770, 267374), (860, 239393), (946, 217630), (1204, 170995), (1505, 136796), (1540, 133687), (1892, 108815), (2365, 87052), (3010, 68398), (3109, 66220), (3311, 62180), (4730, 43526), (6020, 34199), (6218, 33110), (6622, 31090), (9460, 21763), (12436, 16555), (13244, 15545)]