288511916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 680687616

約数和(自身を除く): 392175700

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 41, 44, 62, 67, 77, 82, 121, 124, 134, 154, 164, 217, 242, 268, 287, 308, 341, 434, 451, 469, 484, 574, 682, 737, 847, 868, 902, 938, 1148, 1271, 1364, 1474, 1694, 1804, 1876, 2077, 2387, 2542, 2747, 2948, 3157, 3388, 3751, 4154, 4774, 4961, 5084, 5159, 5494, 6314, 7502, 8107, 8308, 8897, 9548, 9922, 10318, 10988, 12628, 13981, 14539, 15004, 16214, 17794, 19229, 19844, 20636, 22847, 26257, 27962, 29078, 30217, 32428, 34727, 35588, 38458, 45694, 52514, 55924, 56749, 58156, 60434, 69454, 76916, 85157, 91388, 97867, 105028, 113498, 120868, 138908, 153791, 159929, 170314, 195734, 211519, 226996, 251317, 307582, 319858, 332387, 340628, 391468, 423038, 502634, 596099, 615164, 639716, 664774, 846076, 936727, 1005268, 1076537, 1192198, 1329548, 1759219, 1873454, 2153074, 2326709, 2384396, 3518438, 3746908, 4306148, 4653418, 6557089, 7036876, 9306836, 10303997, 13114178, 20607994, 26228356, 41215988, 72127979, 144255958, 288511916]

約数ペア:

[(1, 288511916), (2, 144255958), (4, 72127979), (7, 41215988), (11, 26228356), (14, 20607994), (22, 13114178), (28, 10303997), (31, 9306836), (41, 7036876), (44, 6557089), (62, 4653418), (67, 4306148), (77, 3746908), (82, 3518438), (121, 2384396), (124, 2326709), (134, 2153074), (154, 1873454), (164, 1759219), (217, 1329548), (242, 1192198), (268, 1076537), (287, 1005268), (308, 936727), (341, 846076), (434, 664774), (451, 639716), (469, 615164), (484, 596099), (574, 502634), (682, 423038), (737, 391468), (847, 340628), (868, 332387), (902, 319858), (938, 307582), (1148, 251317), (1271, 226996), (1364, 211519), (1474, 195734), (1694, 170314), (1804, 159929), (1876, 153791), (2077, 138908), (2387, 120868), (2542, 113498), (2747, 105028), (2948, 97867), (3157, 91388), (3388, 85157), (3751, 76916), (4154, 69454), (4774, 60434), (4961, 58156), (5084, 56749), (5159, 55924), (5494, 52514), (6314, 45694), (7502, 38458), (8107, 35588), (8308, 34727), (8897, 32428), (9548, 30217), (9922, 29078), (10318, 27962), (10988, 26257), (12628, 22847), (13981, 20636), (14539, 19844), (15004, 19229), (16214, 17794)]