209000176

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{587}}^1$

素因数の和:647

約数の個数: 120

約数和(自身を含む): 537215616

約数和(自身を除く): 328215440

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 289, 308, 374, 476, 578, 587, 616, 748, 952, 1156, 1174, 1232, 1309, 1496, 1904, 2023, 2312, 2348, 2618, 2992, 3179, 4046, 4109, 4624, 4696, 5236, 6358, 6457, 8092, 8218, 9392, 9979, 10472, 12716, 12914, 16184, 16436, 19958, 20944, 22253, 25432, 25828, 32368, 32872, 39916, 44506, 45199, 50864, 51656, 65744, 69853, 79832, 89012, 90398, 103312, 109769, 139706, 159664, 169643, 178024, 180796, 219538, 279412, 339286, 356048, 361592, 439076, 558824, 678572, 723184, 768383, 878152, 1117648, 1187501, 1357144, 1536766, 1756304, 1866073, 2375002, 2714288, 3073532, 3732146, 4750004, 6147064, 7464292, 9500008, 12294128, 13062511, 14928584, 19000016, 26125022, 29857168, 52250044, 104500088, 209000176]

約数ペア:

[(1, 209000176), (2, 104500088), (4, 52250044), (7, 29857168), (8, 26125022), (11, 19000016), (14, 14928584), (16, 13062511), (17, 12294128), (22, 9500008), (28, 7464292), (34, 6147064), (44, 4750004), (56, 3732146), (68, 3073532), (77, 2714288), (88, 2375002), (112, 1866073), (119, 1756304), (136, 1536766), (154, 1357144), (176, 1187501), (187, 1117648), (238, 878152), (272, 768383), (289, 723184), (308, 678572), (374, 558824), (476, 439076), (578, 361592), (587, 356048), (616, 339286), (748, 279412), (952, 219538), (1156, 180796), (1174, 178024), (1232, 169643), (1309, 159664), (1496, 139706), (1904, 109769), (2023, 103312), (2312, 90398), (2348, 89012), (2618, 79832), (2992, 69853), (3179, 65744), (4046, 51656), (4109, 50864), (4624, 45199), (4696, 44506), (5236, 39916), (6358, 32872), (6457, 32368), (8092, 25828), (8218, 25432), (9392, 22253), (9979, 20944), (10472, 19958), (12716, 16436), (12914, 16184)]