209990924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 96

約数和(自身を含む): 451132416

約数和(自身を除く): 241141492

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 47, 52, 73, 94, 107, 143, 146, 188, 214, 286, 292, 428, 517, 572, 611, 803, 949, 1034, 1177, 1222, 1391, 1606, 1898, 2068, 2354, 2444, 2782, 3212, 3431, 3796, 4708, 5029, 5564, 6721, 6862, 7811, 10058, 10439, 13442, 13724, 15301, 15622, 20116, 20878, 26884, 30602, 31244, 37741, 41756, 44603, 55319, 61204, 65377, 75482, 85921, 89206, 101543, 110638, 130754, 150964, 171842, 178412, 203086, 221276, 261508, 343684, 367117, 406172, 490633, 719147, 734234, 981266, 1116973, 1438294, 1468468, 1962532, 2233946, 2876588, 4038287, 4467892, 4772521, 8076574, 9545042, 16153148, 19090084, 52497731, 104995462, 209990924]

約数ペア:

[(1, 209990924), (2, 104995462), (4, 52497731), (11, 19090084), (13, 16153148), (22, 9545042), (26, 8076574), (44, 4772521), (47, 4467892), (52, 4038287), (73, 2876588), (94, 2233946), (107, 1962532), (143, 1468468), (146, 1438294), (188, 1116973), (214, 981266), (286, 734234), (292, 719147), (428, 490633), (517, 406172), (572, 367117), (611, 343684), (803, 261508), (949, 221276), (1034, 203086), (1177, 178412), (1222, 171842), (1391, 150964), (1606, 130754), (1898, 110638), (2068, 101543), (2354, 89206), (2444, 85921), (2782, 75482), (3212, 65377), (3431, 61204), (3796, 55319), (4708, 44603), (5029, 41756), (5564, 37741), (6721, 31244), (6862, 30602), (7811, 26884), (10058, 20878), (10439, 20116), (13442, 15622), (13724, 15301)]