214904320

素因数分解:

$2^9\times 5^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:811

約数の個数: 80

約数和(自身を含む): 520109568

約数和(自身を除く): 305205248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 508, 512, 635, 640, 661, 1016, 1270, 1280, 1322, 2032, 2540, 2560, 2644, 3305, 4064, 5080, 5288, 6610, 8128, 10160, 10576, 13220, 16256, 20320, 21152, 26440, 32512, 40640, 42304, 52880, 65024, 81280, 83947, 84608, 105760, 162560, 167894, 169216, 211520, 325120, 335788, 338432, 419735, 423040, 671576, 839470, 846080, 1343152, 1678940, 1692160, 2686304, 3357880, 5372608, 6715760, 10745216, 13431520, 21490432, 26863040, 42980864, 53726080, 107452160, 214904320]

約数ペア:

[(1, 214904320), (2, 107452160), (4, 53726080), (5, 42980864), (8, 26863040), (10, 21490432), (16, 13431520), (20, 10745216), (32, 6715760), (40, 5372608), (64, 3357880), (80, 2686304), (127, 1692160), (128, 1678940), (160, 1343152), (254, 846080), (256, 839470), (320, 671576), (508, 423040), (512, 419735), (635, 338432), (640, 335788), (661, 325120), (1016, 211520), (1270, 169216), (1280, 167894), (1322, 162560), (2032, 105760), (2540, 84608), (2560, 83947), (2644, 81280), (3305, 65024), (4064, 52880), (5080, 42304), (5288, 40640), (6610, 32512), (8128, 26440), (10160, 21152), (10576, 20320), (13220, 16256)]