210023440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:281

約数の個数: 160

約数和(自身を含む): 573713280

約数和(自身を除く): 363689840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 101, 110, 136, 139, 170, 176, 187, 202, 220, 272, 278, 340, 374, 404, 440, 505, 556, 680, 695, 748, 808, 880, 935, 1010, 1111, 1112, 1360, 1390, 1496, 1529, 1616, 1717, 1870, 2020, 2222, 2224, 2363, 2780, 2992, 3058, 3434, 3740, 4040, 4444, 4726, 5555, 5560, 6116, 6868, 7480, 7645, 8080, 8585, 8888, 9452, 11110, 11120, 11815, 12232, 13736, 14039, 14960, 15290, 17170, 17776, 18887, 18904, 22220, 23630, 24464, 25993, 27472, 28078, 30580, 34340, 37774, 37808, 44440, 47260, 51986, 56156, 61160, 68680, 70195, 75548, 88880, 94435, 94520, 103972, 112312, 122320, 129965, 137360, 140390, 151096, 154429, 188870, 189040, 207944, 224624, 238663, 259930, 280780, 302192, 308858, 377740, 415888, 477326, 519860, 561560, 617716, 755480, 772145, 954652, 1039720, 1123120, 1193315, 1235432, 1510960, 1544290, 1909304, 2079440, 2386630, 2470864, 2625293, 3088580, 3818608, 4773260, 5250586, 6177160, 9546520, 10501172, 12354320, 13126465, 19093040, 21002344, 26252930, 42004688, 52505860, 105011720, 210023440]

約数ペア:

[(1, 210023440), (2, 105011720), (4, 52505860), (5, 42004688), (8, 26252930), (10, 21002344), (11, 19093040), (16, 13126465), (17, 12354320), (20, 10501172), (22, 9546520), (34, 6177160), (40, 5250586), (44, 4773260), (55, 3818608), (68, 3088580), (80, 2625293), (85, 2470864), (88, 2386630), (101, 2079440), (110, 1909304), (136, 1544290), (139, 1510960), (170, 1235432), (176, 1193315), (187, 1123120), (202, 1039720), (220, 954652), (272, 772145), (278, 755480), (340, 617716), (374, 561560), (404, 519860), (440, 477326), (505, 415888), (556, 377740), (680, 308858), (695, 302192), (748, 280780), (808, 259930), (880, 238663), (935, 224624), (1010, 207944), (1111, 189040), (1112, 188870), (1360, 154429), (1390, 151096), (1496, 140390), (1529, 137360), (1616, 129965), (1717, 122320), (1870, 112312), (2020, 103972), (2222, 94520), (2224, 94435), (2363, 88880), (2780, 75548), (2992, 70195), (3058, 68680), (3434, 61160), (3740, 56156), (4040, 51986), (4444, 47260), (4726, 44440), (5555, 37808), (5560, 37774), (6116, 34340), (6868, 30580), (7480, 28078), (7645, 27472), (8080, 25993), (8585, 24464), (8888, 23630), (9452, 22220), (11110, 18904), (11120, 18887), (11815, 17776), (12232, 17170), (13736, 15290), (14039, 14960)]