208066870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 422003520

約数和(自身を除く): 213936650

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 89, 106, 110, 178, 265, 401, 445, 530, 583, 802, 890, 979, 1166, 1958, 2005, 2915, 4010, 4411, 4717, 4895, 5830, 8822, 9434, 9790, 21253, 22055, 23585, 35689, 42506, 44110, 47170, 51887, 71378, 103774, 106265, 178445, 212530, 233783, 259435, 356890, 392579, 467566, 518870, 785158, 1168915, 1891517, 1962895, 2337830, 3783034, 3925790, 9457585, 18915170, 20806687, 41613374, 104033435, 208066870]

約数ペア:

[(1, 208066870), (2, 104033435), (5, 41613374), (10, 20806687), (11, 18915170), (22, 9457585), (53, 3925790), (55, 3783034), (89, 2337830), (106, 1962895), (110, 1891517), (178, 1168915), (265, 785158), (401, 518870), (445, 467566), (530, 392579), (583, 356890), (802, 259435), (890, 233783), (979, 212530), (1166, 178445), (1958, 106265), (2005, 103774), (2915, 71378), (4010, 51887), (4411, 47170), (4717, 44110), (4895, 42506), (5830, 35689), (8822, 23585), (9434, 22055), (9790, 21253)]