245997752

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 664070400

約数和(自身を除く): 418072648

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 17, 22, 26, 28, 34, 44, 52, 56, 68, 77, 88, 91, 104, 119, 136, 139, 143, 154, 169, 182, 187, 221, 238, 278, 286, 308, 338, 364, 374, 442, 476, 556, 572, 616, 676, 728, 748, 884, 952, 973, 1001, 1112, 1144, 1183, 1309, 1352, 1496, 1529, 1547, 1768, 1807, 1859, 1946, 2002, 2363, 2366, 2431, 2618, 2873, 3058, 3094, 3614, 3718, 3892, 4004, 4726, 4732, 4862, 5236, 5746, 6116, 6188, 7228, 7436, 7784, 8008, 9452, 9464, 9724, 10472, 10703, 11492, 12232, 12376, 12649, 13013, 14456, 14872, 16541, 17017, 18904, 19448, 19877, 20111, 21406, 22984, 23491, 25298, 25993, 26026, 30719, 31603, 33082, 34034, 39754, 40222, 42812, 46982, 50596, 51986, 52052, 61438, 63206, 66164, 68068, 79508, 80444, 85624, 93964, 101192, 103972, 104104, 122876, 126412, 132328, 136136, 139139, 159016, 160888, 164437, 181951, 187928, 207944, 215033, 221221, 245752, 252824, 258401, 278278, 328874, 337909, 363902, 399347, 430066, 442442, 516802, 556556, 657748, 675818, 727804, 798694, 860132, 884884, 1033604, 1113112, 1315496, 1351636, 1455608, 1597388, 1720264, 1769768, 1808807, 2067208, 2365363, 2703272, 2795429, 3194776, 3617614, 4392817, 4730726, 5590858, 7235228, 8785634, 9461452, 11181716, 14470456, 17571268, 18922904, 22363432, 30749719, 35142536, 61499438, 122998876, 245997752]

約数ペア:

[(1, 245997752), (2, 122998876), (4, 61499438), (7, 35142536), (8, 30749719), (11, 22363432), (13, 18922904), (14, 17571268), (17, 14470456), (22, 11181716), (26, 9461452), (28, 8785634), (34, 7235228), (44, 5590858), (52, 4730726), (56, 4392817), (68, 3617614), (77, 3194776), (88, 2795429), (91, 2703272), (104, 2365363), (119, 2067208), (136, 1808807), (139, 1769768), (143, 1720264), (154, 1597388), (169, 1455608), (182, 1351636), (187, 1315496), (221, 1113112), (238, 1033604), (278, 884884), (286, 860132), (308, 798694), (338, 727804), (364, 675818), (374, 657748), (442, 556556), (476, 516802), (556, 442442), (572, 430066), (616, 399347), (676, 363902), (728, 337909), (748, 328874), (884, 278278), (952, 258401), (973, 252824), (1001, 245752), (1112, 221221), (1144, 215033), (1183, 207944), (1309, 187928), (1352, 181951), (1496, 164437), (1529, 160888), (1547, 159016), (1768, 139139), (1807, 136136), (1859, 132328), (1946, 126412), (2002, 122876), (2363, 104104), (2366, 103972), (2431, 101192), (2618, 93964), (2873, 85624), (3058, 80444), (3094, 79508), (3614, 68068), (3718, 66164), (3892, 63206), (4004, 61438), (4726, 52052), (4732, 51986), (4862, 50596), (5236, 46982), (5746, 42812), (6116, 40222), (6188, 39754), (7228, 34034), (7436, 33082), (7784, 31603), (8008, 30719), (9452, 26026), (9464, 25993), (9724, 25298), (10472, 23491), (10703, 22984), (11492, 21406), (12232, 20111), (12376, 19877), (12649, 19448), (13013, 18904), (14456, 17017), (14872, 16541)]