290704826

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{503}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 468840960

約数和(自身を除く): 178136134

約数列:

[1, 2, 19, 38, 67, 134, 227, 454, 503, 1006, 1273, 2546, 4313, 8626, 9557, 15209, 19114, 30418, 33701, 67402, 114181, 228362, 288971, 577942, 640319, 1280638, 2169439, 4338878, 7650127, 15300254, 145352413, 290704826]

約数ペア:

[(1, 290704826), (2, 145352413), (19, 15300254), (38, 7650127), (67, 4338878), (134, 2169439), (227, 1280638), (454, 640319), (503, 577942), (1006, 288971), (1273, 228362), (2546, 114181), (4313, 67402), (8626, 33701), (9557, 30418), (15209, 19114)]