220728396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 645200640

約数和(自身を除く): 424472244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 29, 38, 42, 57, 58, 76, 84, 87, 114, 116, 133, 174, 203, 228, 251, 266, 348, 361, 399, 406, 502, 532, 551, 609, 722, 753, 798, 812, 1004, 1083, 1102, 1218, 1444, 1506, 1596, 1653, 1757, 2166, 2204, 2436, 2527, 3012, 3306, 3514, 3857, 4332, 4769, 5054, 5271, 6612, 7028, 7279, 7581, 7714, 9538, 10108, 10469, 10542, 11571, 14307, 14558, 15162, 15428, 19076, 20938, 21084, 21837, 23142, 28614, 29116, 30324, 31407, 33383, 41876, 43674, 46284, 50953, 57228, 62814, 66766, 73283, 87348, 90611, 100149, 101906, 125628, 133532, 138301, 146566, 152859, 181222, 200298, 203812, 219849, 271833, 276602, 293132, 305718, 362444, 400596, 414903, 439698, 543666, 553204, 611436, 634277, 829806, 879396, 968107, 1087332, 1268554, 1659612, 1902831, 1936214, 2537108, 2627719, 2904321, 3805662, 3872428, 5255438, 5808642, 7611324, 7883157, 10510876, 11617284, 15766314, 18394033, 31532628, 36788066, 55182099, 73576132, 110364198, 220728396]

約数ペア:

[(1, 220728396), (2, 110364198), (3, 73576132), (4, 55182099), (6, 36788066), (7, 31532628), (12, 18394033), (14, 15766314), (19, 11617284), (21, 10510876), (28, 7883157), (29, 7611324), (38, 5808642), (42, 5255438), (57, 3872428), (58, 3805662), (76, 2904321), (84, 2627719), (87, 2537108), (114, 1936214), (116, 1902831), (133, 1659612), (174, 1268554), (203, 1087332), (228, 968107), (251, 879396), (266, 829806), (348, 634277), (361, 611436), (399, 553204), (406, 543666), (502, 439698), (532, 414903), (551, 400596), (609, 362444), (722, 305718), (753, 293132), (798, 276602), (812, 271833), (1004, 219849), (1083, 203812), (1102, 200298), (1218, 181222), (1444, 152859), (1506, 146566), (1596, 138301), (1653, 133532), (1757, 125628), (2166, 101906), (2204, 100149), (2436, 90611), (2527, 87348), (3012, 73283), (3306, 66766), (3514, 62814), (3857, 57228), (4332, 50953), (4769, 46284), (5054, 43674), (5271, 41876), (6612, 33383), (7028, 31407), (7279, 30324), (7581, 29116), (7714, 28614), (9538, 23142), (10108, 21837), (10469, 21084), (10542, 20938), (11571, 19076), (14307, 15428), (14558, 15162)]