204070405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 317634048

約数和(自身を除く): 113563643

約数列:

[1, 5, 7, 11, 35, 53, 55, 73, 77, 137, 265, 365, 371, 385, 511, 583, 685, 803, 959, 1507, 1855, 2555, 2915, 3869, 4015, 4081, 4795, 5621, 7261, 7535, 10001, 10549, 19345, 20405, 27083, 28105, 36305, 42559, 50005, 50827, 52745, 70007, 79871, 110011, 135415, 212795, 254135, 297913, 350035, 399355, 530053, 550055, 559097, 770077, 1489565, 2650265, 2795485, 3710371, 3850385, 5830583, 18551855, 29152915, 40814081, 204070405]

約数ペア:

[(1, 204070405), (5, 40814081), (7, 29152915), (11, 18551855), (35, 5830583), (53, 3850385), (55, 3710371), (73, 2795485), (77, 2650265), (137, 1489565), (265, 770077), (365, 559097), (371, 550055), (385, 530053), (511, 399355), (583, 350035), (685, 297913), (803, 254135), (959, 212795), (1507, 135415), (1855, 110011), (2555, 79871), (2915, 70007), (3869, 52745), (4015, 50827), (4081, 50005), (4795, 42559), (5621, 36305), (7261, 28105), (7535, 27083), (10001, 20405), (10549, 19345)]