256768780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{2459}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 565367040

約数和(自身を除く): 308598260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 227, 230, 454, 460, 908, 1135, 2270, 2459, 4540, 4918, 5221, 9836, 10442, 12295, 20884, 24590, 26105, 49180, 52210, 56557, 104420, 113114, 226228, 282785, 558193, 565570, 1116386, 1131140, 2232772, 2790965, 5581930, 11163860, 12838439, 25676878, 51353756, 64192195, 128384390, 256768780]

約数ペア:

[(1, 256768780), (2, 128384390), (4, 64192195), (5, 51353756), (10, 25676878), (20, 12838439), (23, 11163860), (46, 5581930), (92, 2790965), (115, 2232772), (227, 1131140), (230, 1116386), (454, 565570), (460, 558193), (908, 282785), (1135, 226228), (2270, 113114), (2459, 104420), (4540, 56557), (4918, 52210), (5221, 49180), (9836, 26105), (10442, 24590), (12295, 20884)]