200420478

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{1201}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 444028416

約数和(自身を除く): 243607938

約数列:

[1, 2, 3, 6, 9, 18, 73, 127, 146, 219, 254, 381, 438, 657, 762, 1143, 1201, 1314, 2286, 2402, 3603, 7206, 9271, 10809, 18542, 21618, 27813, 55626, 83439, 87673, 152527, 166878, 175346, 263019, 305054, 457581, 526038, 789057, 915162, 1372743, 1578114, 2745486, 11134471, 22268942, 33403413, 66806826, 100210239, 200420478]

約数ペア:

[(1, 200420478), (2, 100210239), (3, 66806826), (6, 33403413), (9, 22268942), (18, 11134471), (73, 2745486), (127, 1578114), (146, 1372743), (219, 915162), (254, 789057), (381, 526038), (438, 457581), (657, 305054), (762, 263019), (1143, 175346), (1201, 166878), (1314, 152527), (2286, 87673), (2402, 83439), (3603, 55626), (7206, 27813), (9271, 21618), (10809, 18542)]