1720921352

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{701}}^1$

素因数の和:1278

約数の個数: 64

約数和(自身を含む): 3517862400

約数和(自身を除く): 1796941048

約数列:

[1, 2, 4, 8, 19, 31, 38, 62, 76, 124, 152, 248, 521, 589, 701, 1042, 1178, 1402, 2084, 2356, 2804, 4168, 4712, 5608, 9899, 13319, 16151, 19798, 21731, 26638, 32302, 39596, 43462, 53276, 64604, 79192, 86924, 106552, 129208, 173848, 306869, 365221, 412889, 613738, 730442, 825778, 1227476, 1460884, 1651556, 2454952, 2921768, 3303112, 6939199, 11321851, 13878398, 22643702, 27756796, 45287404, 55513592, 90574808, 215115169, 430230338, 860460676, 1720921352]

約数ペア:

[(1, 1720921352), (2, 860460676), (4, 430230338), (8, 215115169), (19, 90574808), (31, 55513592), (38, 45287404), (62, 27756796), (76, 22643702), (124, 13878398), (152, 11321851), (248, 6939199), (521, 3303112), (589, 2921768), (701, 2454952), (1042, 1651556), (1178, 1460884), (1402, 1227476), (2084, 825778), (2356, 730442), (2804, 613738), (4168, 412889), (4712, 365221), (5608, 306869), (9899, 173848), (13319, 129208), (16151, 106552), (19798, 86924), (21731, 79192), (26638, 64604), (32302, 53276), (39596, 43462)]