2005010056

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{5557}}^1$

素因数の和:5966

約数の個数: 64

約数和(自身を含む): 4562006400

約数和(自身を除く): 2556996344

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 379, 476, 758, 952, 1516, 2653, 3032, 5306, 5557, 6443, 10612, 11114, 12886, 21224, 22228, 25772, 38899, 44456, 45101, 51544, 77798, 90202, 94469, 155596, 180404, 188938, 311192, 360808, 377876, 661283, 755752, 1322566, 2106103, 2645132, 4212206, 5290264, 8424412, 14742721, 16848824, 29485442, 35803751, 58970884, 71607502, 117941768, 143215004, 250626257, 286430008, 501252514, 1002505028, 2005010056]

約数ペア:

[(1, 2005010056), (2, 1002505028), (4, 501252514), (7, 286430008), (8, 250626257), (14, 143215004), (17, 117941768), (28, 71607502), (34, 58970884), (56, 35803751), (68, 29485442), (119, 16848824), (136, 14742721), (238, 8424412), (379, 5290264), (476, 4212206), (758, 2645132), (952, 2106103), (1516, 1322566), (2653, 755752), (3032, 661283), (5306, 377876), (5557, 360808), (6443, 311192), (10612, 188938), (11114, 180404), (12886, 155596), (21224, 94469), (22228, 90202), (25772, 77798), (38899, 51544), (44456, 45101)]