208811680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{997}}^1$

素因数の和:1047

約数の個数: 192

約数和(自身を含む): 651877632

約数和(自身を除く): 443065952

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 17, 20, 22, 28, 32, 34, 35, 40, 44, 55, 56, 68, 70, 77, 80, 85, 88, 110, 112, 119, 136, 140, 154, 160, 170, 176, 187, 220, 224, 238, 272, 280, 308, 340, 352, 374, 385, 440, 476, 544, 560, 595, 616, 680, 748, 770, 880, 935, 952, 997, 1120, 1190, 1232, 1309, 1360, 1496, 1540, 1760, 1870, 1904, 1994, 2380, 2464, 2618, 2720, 2992, 3080, 3740, 3808, 3988, 4760, 4985, 5236, 5984, 6160, 6545, 6979, 7480, 7976, 9520, 9970, 10472, 10967, 12320, 13090, 13958, 14960, 15952, 16949, 19040, 19940, 20944, 21934, 26180, 27916, 29920, 31904, 33898, 34895, 39880, 41888, 43868, 52360, 54835, 55832, 67796, 69790, 76769, 79760, 84745, 87736, 104720, 109670, 111664, 118643, 135592, 139580, 153538, 159520, 169490, 175472, 186439, 209440, 219340, 223328, 237286, 271184, 279160, 307076, 338980, 350944, 372878, 383845, 438680, 474572, 542368, 558320, 593215, 614152, 677960, 745756, 767690, 877360, 932195, 949144, 1116640, 1186430, 1228304, 1305073, 1355920, 1491512, 1535380, 1754720, 1864390, 1898288, 2372860, 2456608, 2610146, 2711840, 2983024, 3070760, 3728780, 3796576, 4745720, 5220292, 5966048, 6141520, 6525365, 7457560, 9491440, 10440584, 12283040, 13050730, 14915120, 18982880, 20881168, 26101460, 29830240, 41762336, 52202920, 104405840, 208811680]

約数ペア:

[(1, 208811680), (2, 104405840), (4, 52202920), (5, 41762336), (7, 29830240), (8, 26101460), (10, 20881168), (11, 18982880), (14, 14915120), (16, 13050730), (17, 12283040), (20, 10440584), (22, 9491440), (28, 7457560), (32, 6525365), (34, 6141520), (35, 5966048), (40, 5220292), (44, 4745720), (55, 3796576), (56, 3728780), (68, 3070760), (70, 2983024), (77, 2711840), (80, 2610146), (85, 2456608), (88, 2372860), (110, 1898288), (112, 1864390), (119, 1754720), (136, 1535380), (140, 1491512), (154, 1355920), (160, 1305073), (170, 1228304), (176, 1186430), (187, 1116640), (220, 949144), (224, 932195), (238, 877360), (272, 767690), (280, 745756), (308, 677960), (340, 614152), (352, 593215), (374, 558320), (385, 542368), (440, 474572), (476, 438680), (544, 383845), (560, 372878), (595, 350944), (616, 338980), (680, 307076), (748, 279160), (770, 271184), (880, 237286), (935, 223328), (952, 219340), (997, 209440), (1120, 186439), (1190, 175472), (1232, 169490), (1309, 159520), (1360, 153538), (1496, 139580), (1540, 135592), (1760, 118643), (1870, 111664), (1904, 109670), (1994, 104720), (2380, 87736), (2464, 84745), (2618, 79760), (2720, 76769), (2992, 69790), (3080, 67796), (3740, 55832), (3808, 54835), (3988, 52360), (4760, 43868), (4985, 41888), (5236, 39880), (5984, 34895), (6160, 33898), (6545, 31904), (6979, 29920), (7480, 27916), (7976, 26180), (9520, 21934), (9970, 20944), (10472, 19940), (10967, 19040), (12320, 16949), (13090, 15952), (13958, 14960)]