328561520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1741}}^1$

素因数の和:2098

約数の個数: 80

約数和(自身を含む): 876128448

約数和(自身を除く): 547566928

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 337, 560, 674, 1348, 1685, 1741, 2359, 2696, 3370, 3482, 4718, 5392, 6740, 6964, 8705, 9436, 11795, 12187, 13480, 13928, 17410, 18872, 23590, 24374, 26960, 27856, 34820, 37744, 47180, 48748, 60935, 69640, 94360, 97496, 121870, 139280, 188720, 194992, 243740, 487480, 586717, 974960, 1173434, 2346868, 2933585, 4107019, 4693736, 5867170, 8214038, 9387472, 11734340, 16428076, 20535095, 23468680, 32856152, 41070190, 46937360, 65712304, 82140380, 164280760, 328561520]

約数ペア:

[(1, 328561520), (2, 164280760), (4, 82140380), (5, 65712304), (7, 46937360), (8, 41070190), (10, 32856152), (14, 23468680), (16, 20535095), (20, 16428076), (28, 11734340), (35, 9387472), (40, 8214038), (56, 5867170), (70, 4693736), (80, 4107019), (112, 2933585), (140, 2346868), (280, 1173434), (337, 974960), (560, 586717), (674, 487480), (1348, 243740), (1685, 194992), (1741, 188720), (2359, 139280), (2696, 121870), (3370, 97496), (3482, 94360), (4718, 69640), (5392, 60935), (6740, 48748), (6964, 47180), (8705, 37744), (9436, 34820), (11795, 27856), (12187, 26960), (13480, 24374), (13928, 23590), (17410, 18872)]